Goldfish Tank Setup: Essential Equipment and Water Parameters for Healthy Goldfish

Goldfish are a common first pet fish, yet their long lifespan and substantial waste production make them a demanding species to house correctly. This article provides a practical framework for establishing a goldfish tank, covering equipment selection, biological filtration, water quality targets, and routine maintenance. The guidance is intended for animal owners, veterinary students, veterinary technicians, and veterinary professionals who need a clear reference for preventing common health problems through proper environmental management. The focus is on decisions you can make and records you can keep before a fish shows signs of illness, because most goldfish disease presentations trace back to water quality failures.

Understanding Goldfish Biology and Its Impact on Tank Design

Goldfish belong to the family Cyprinidae and are coldwater fish that do not require a heater in most indoor environments. Their metabolism and waste output are directly tied to water temperature, and they produce more ammonia per gram of body weight than many tropical species because they are continuous feeders and lack a true stomach. This biological reality drives every equipment decision in the tank setup process.

The common goldfish and fancy varieties such as fantails, orandas, and ryukins have different body conformations that affect swimming ability and waste production. Fancy goldfish have compressed body shapes that make them slower swimmers and more prone to buoyancy disorders. These differences matter when you select filter flow rates, tank dimensions, and tank mates. A tank that suits a slim-bodied common goldfish may be unsuitable for a round-bodied fancy variety.

Goldfish can live for decades when maintained properly, and they grow continuously throughout their lives. The final adult size of the fish, not the size at purchase, must determine the tank volume. A fish purchased at 5 cm can reach 25 cm or more in a well-maintained system. Undersized tanks stunt growth through poor water quality and stress, not through a genetic limit on size.

At a Glance: Goldfish Tank Setup Decision Table

Selecting the Tank and Stand

The tank is the foundation of the entire system, and its size determines the biological carrying capacity. A larger tank provides more stable water parameters because the same fish waste is diluted across a greater volume. Temperature fluctuations are slower in larger water volumes, and a spike in ammonia from a single overfeeding event is less dangerous in a 200 liter tank than in a 40 liter tank.

Glass tanks are the standard choice because they resist scratching and do not warp over time. Acrylic tanks are lighter and provide better insulation but scratch easily during cleaning. The tank must sit on a level, purpose-built stand that supports the full weight of the tank plus water and substrate. A liter of water weighs approximately one kilogram, so a 150 liter tank with substrate and equipment weighs over 180 kilograms. Furniture not designed for aquarium use can fail catastrophically.

The tank location should avoid direct sunlight, which promotes algae growth and causes temperature swings. A location near heating vents, air conditioning outlets, or exterior doors exposes the tank to drafts that destabilize water temperature. The tank should be positioned so that you can access all sides for cleaning and observation, and so that electrical outlets are available for filters, lights, and air pumps without using extension cords across walkways.

Filtration Systems for Goldfish

Filtration performs three functions in a goldfish tank: mechanical filtration removes suspended particles, chemical filtration removes dissolved impurities, and biological filtration converts toxic ammonia into less harmful nitrate. The biological component is the most critical because goldfish produce high ammonia loads, and the nitrifying bacteria that process this waste require time to establish and stable conditions to thrive.

Biological Filtration and the Nitrogen Cycle

The nitrogen cycle is the process by which beneficial bacteria convert ammonia to nitrite and then to nitrate. Ammonia is excreted directly by fish through their gills and urine and is also produced by the decomposition of uneaten food and organic waste. Ammonia is highly toxic to fish, damaging gill tissue and causing neurological signs at elevated levels. Nitrite is also toxic because it interferes with oxygen transport in the blood. Nitrate is far less toxic but accumulates over time and must be removed through water changes.

A new tank has no established bacterial colony. The process of building this colony is called cycling, and it takes four to eight weeks when done without commercial bacterial supplements. During cycling, ammonia and nitrite levels rise and then fall as the bacterial populations establish. Fish should not be present during this initial cycle because the ammonia and nitrite concentrations will be lethal.

The filter media provides the surface area where nitrifying bacteria colonize. Porous media such as ceramic rings, bio-balls, and coarse sponge offer the most surface area. These media should never be washed in tap water, because chlorine and chloramine will kill the bacteria. Rinse filter media in a bucket of tank water removed during a water change, and replace media only when it physically breaks down.

Mechanical and Chemical Filtration

Mechanical filtration removes solid waste from the water column before it decomposes into ammonia. Filter floss and fine sponges capture particles and must be cleaned or replaced regularly. A filter that is clogged with debris restricts water flow and reduces oxygen delivery to the biological media, which can cause the bacterial colony to die off.

Chemical filtration uses activated carbon or other adsorbent media to remove dissolved organic compounds, medications, and tannins. Activated carbon is not required for routine goldfish keeping, and it must be removed from the filter when treating fish with medications because it will absorb the drug. Chemical filtration media are exhausted after a few weeks and must be replaced to remain effective.

Filter Types and Flow Rates

Hang-on-back filters are common for goldfish tanks because they are easy to maintain and provide good oxygenation through surface agitation. Canister filters offer larger media capacity and are suitable for larger tanks, but they require more involved maintenance. Sponge filters are driven by an air pump and provide gentle biological filtration, making them useful in quarantine tanks and fry tanks, but they do not provide strong mechanical filtration on their own.

The filter flow rate should be rated for at least twice the tank volume per hour. A 150 liter tank should have a filter rated for at least 300 liters per hour. Goldfish produce heavy waste loads, and an undersized filter will struggle to keep ammonia and nitrite at zero. For fancy goldfish, which are weaker swimmers, position the filter output to create gentle circulation instead of a strong current.

Substrate, Decorations, and Plants

Substrate choice affects both the aesthetic and the functional aspects of the tank. Bare-bottom tanks are the easiest to clean and are often used in quarantine and hospital tanks because waste cannot accumulate in the gravel. Gravel substrate provides a natural appearance and anchors plants and decorations, but waste collects in the gaps between gravel pieces and requires thorough vacuuming during water changes.

Sand substrate is a better choice for goldfish that forage naturally by sifting through the bottom. Goldfish will pick up mouthfuls of sand, sort out food particles, and expel the sand through their gills. Sand does not trap waste as deeply as gravel, and it is easier to vacuum. The sand must be fine-grained and smooth to avoid damaging the fish's gills and mouth.

Decorations must be smooth and free of sharp edges. Goldfish are curious and will investigate every object in their tank, and rough surfaces can scrape their delicate skin and fins. Avoid decorations with small openings that a fish can become trapped in. Driftwood and rocks should be purchased from aquarium suppliers instead of collected from the wild, because wild-collected items may contain pathogens, pesticides, or minerals that leach into the water.

Live plants provide benefits in a goldfish tank by absorbing nitrate and other nutrients from the water. A study on fantail goldfish found that aquatic plants such as duckweed and azolla effectively absorbed nutrients and served as biofilters, with the lowest ammonia and nitrate concentrations recorded in aquariums containing azolla. However, goldfish are herbivorous and will eat many plant species. Hardy, fast-growing plants such as java fern, anubias, and hornwort are more likely to survive goldfish grazing. Plastic plants are an alternative, but they must be made of aquarium-safe material and have no sharp edges.

Water Parameters and Testing

Water quality is the single most important factor in goldfish health. Most disease outbreaks in goldfish are secondary to poor water quality, and correcting the environment is the first step in any treatment plan. Regular testing allows you to detect problems before they cause visible illness.

Temperature

Goldfish are coldwater fish and do not require a heater in most homes. The ideal temperature range is 18 to 24 degrees Celsius, with fancy varieties preferring the cooler end of this range. Higher temperatures increase the metabolic rate of the fish, which increases ammonia production and oxygen demand. Warmer water also holds less dissolved oxygen, creating a double stressor.

Sudden temperature changes are more harmful than a stable temperature outside the ideal range. When performing water changes, the new water should be close to the tank temperature. A difference of more than 2 degrees Celsius can stress the fish and suppress their immune system.

pH, Ammonia, Nitrite, and Nitrate

The pH scale measures the acidity or alkalinity of the water. Goldfish tolerate a pH range of 7.0 to 8.0, and stability is more important than the exact value. A sudden pH swing of more than 0.5 units can cause stress and osmoregulatory problems. Tap water pH should be tested before adding it to the tank, and any adjustment should be made gradually.

Ammonia and nitrite must be maintained at zero at all times. A liquid test kit that measures both compounds is essential equipment for any goldfish keeper. Test strips are less accurate and should not be relied upon for critical decisions. If ammonia or nitrite is detected, the cause is usually overfeeding, overstocking, or an immature filter. The immediate response is a partial water change, followed by a review of feeding practices and filter maintenance.

Nitrate is the end product of the nitrogen cycle and is less toxic than ammonia or nitrite, but it accumulates over time. The target is below 40 mg/L, and levels above this can suppress growth and immune function. Nitrate is removed through regular water changes. A study on water quality monitoring for goldfish aquariums emphasized that consistent water quality monitoring is critical to maintaining a stable and healthy environment, and that manual maintenance methods often fail when owners are unavailable to perform routine tasks.

Dissolved Oxygen and Water Movement

Goldfish require dissolved oxygen levels above 5 mg/L. Oxygen enters the water through surface agitation, which is provided by filter output, air stones, and water movement. Higher water temperatures reduce oxygen solubility, so a tank at 24 degrees Celsius holds less oxygen than a tank at 18 degrees Celsius. Overcrowding and overfeeding increase oxygen demand, and a power outage can cause oxygen depletion within hours in a heavily stocked tank.

An air pump with an air stone provides additional oxygenation and creates surface movement that helps gas exchange. This is particularly important in tanks with sponge filters, which do not create strong surface agitation on their own. During hot weather, increasing aeration is more effective at maintaining oxygen levels than lowering the temperature.

Cycling a New Goldfish Tank

Cycling is the process of establishing the biological filter before adding fish. This step is frequently skipped by new owners, and the result is a condition called new tank syndrome, where ammonia and nitrite spike to lethal levels and fish die within days or weeks of being added.

Fishless Cycling Method

The fishless cycling method is the safest approach because no fish are exposed to toxic water conditions. The process begins by setting up the tank with substrate, decorations, and filter, then filling it with dechlorinated water. A source of ammonia is added to the tank to feed the nitrifying bacteria. This can be pure ammonia solution without additives, or a small amount of fish food that decomposes to produce ammonia.

The ammonia level should be raised to approximately 2 to 4 mg/L. Test the water daily and record the ammonia, nitrite, and nitrate levels. Over several weeks, ammonia will begin to drop as nitrite rises, and then nitrite will drop as nitrate rises. The cycle is complete when the tank can process 2 to 4 mg/L of ammonia to zero ammonia and zero nitrite within 24 hours. At this point, the tank is ready for fish.

Using a Filter Seeding Material

The cycling process can be accelerated by transferring established filter media from an existing healthy tank. A piece of sponge or ceramic media from a mature filter contains the nitrifying bacteria needed to seed the new tank. This material should be placed in the new filter and kept wet during transfer. The cycling time is reduced but not eliminated, and ammonia and nitrite should still be tested daily until the system stabilizes.

Adding Fish Gradually

Even after the tank is cycled, the bacterial colony must grow to match the waste load of the fish. Adding all fish at once can overwhelm the filter and cause an ammonia spike. Add only one or two fish initially, feed sparingly for the first two weeks, and test ammonia and nitrite daily. Additional fish can be added once the filter handles the current load without any detectable ammonia or nitrite.

Equipment Checklist and Setup Steps

The following checklist covers the essential equipment needed for a goldfish tank. Purchase everything before acquiring the fish so that the tank can be set up and cycled in advance.

Step-by-Step Setup Procedure

Place the tank on the stand and verify that it is level. Rinse the substrate thoroughly in a bucket until the water runs clear, then add it to the tank. Install the filter, heater, air pump, and thermometer according to the manufacturer instructions. Arrange decorations and plants, leaving open swimming space. Fill the tank with dechlorinated water, directing the flow onto a plate or decoration to avoid disturbing the substrate. Turn on the equipment and verify that the filter is flowing and the heater is maintaining temperature. Begin the cycling process and do not add fish until ammonia and nitrite read zero.

Feeding and Nutrition

Feeding practices directly affect water quality because uneaten food decomposes into ammonia. Goldfish are omnivorous and require a varied diet that includes plant matter and protein. A high-quality commercial goldfish pellet or flake should form the basis of the diet, supplemented with blanched vegetables such as peas, zucchini, and spinach, and occasional protein sources such as bloodworms or brine shrimp.

The feeding rate depends on water temperature. Goldfish metabolism slows in cooler water, and they require less food at 18 degrees Celsius than at 24 degrees Celsius. A general guideline is to feed an amount the fish can consume in two minutes, two to three times daily. Any food remaining after two minutes is overfeeding and should be removed.

A study on goldfish nutrition found that dietary supplementation with grape seed proanthocyanidin extract at 400 mg/kg improved growth and health condition in goldfish, with higher weight gain and specific growth rate compared to control diets. The same study reported lower feed conversion ratios in fish fed supplemented diets, meaning the fish converted feed to body mass more efficiently. While this research is not a recommendation to add supplements to a home aquarium diet, it illustrates that diet quality directly affects growth and health outcomes.

Overfeeding is the most common management error in goldfish keeping. Excess food decomposes and produces ammonia, which stresses fish and promotes disease. If ammonia or nitrite is detected, the first corrective action is to reduce feeding and perform a water change.

Tank Mates and Stocking Density

Goldfish are social fish that do best when kept with other goldfish, but they are not suitable tank mates for most tropical species. Goldfish are coldwater fish, while most tropical fish require water temperatures above 24 degrees Celsius. The temperature ranges do not overlap sufficiently for long-term cohabitation.

Suitable tank mates for goldfish include other goldfish of similar size and swimming ability, as well as coldwater species such as white cloud mountain minnows and zebra danios. These species tolerate the same temperature range and are fast enough to avoid being eaten. Snails and some shrimp species can also be kept with goldfish, but they may be consumed by larger fish.

Stocking density is a common source of problems. The minimum tank volume for one fancy goldfish is 75 liters, and for one common goldfish it is 150 liters. Each additional fish requires additional volume. Overstocking overwhelms the biological filter and causes chronic ammonia and nitrite exposure, which suppresses the immune system and makes fish susceptible to disease.

Goldfish should be kept with fish of similar size. A large common goldfish may injure or consume smaller tank mates, and a fancy goldfish with a slow swimming style may be outcompeted for food by faster fish. When adding new fish, quarantine them in a separate tank for at least two weeks to observe for signs of disease before introducing them to the main tank.

Common Diseases and Prevention Through Water Quality

Most goldfish diseases are preventable through proper water quality management. The immune system of a fish is directly affected by environmental stress, and fish maintained in clean, stable water are far less resistant to pathogens than fish in poor conditions. The following conditions are among the most common in goldfish, and each is linked to water quality or husbandry failures.

Ichthyophthirius multifiliis

Ichthyophthirius multifiliis, commonly called ich or white spot disease, is a protozoan parasite that causes small white cysts on the skin and fins. The parasite has a life cycle that includes a free-swimming stage that is susceptible to treatment and an encysted stage that is not. A study described a novel apparatus for evaluating the efficacy of pharmaceuticals against the in vivo stage of Ichthyophthirius multifiliis, using a transparent acrylic tank with a wire mesh to separate fallen trophonts from fish and count live tomonts on a gridded bottom plate. This research supports the importance of understanding the parasite life cycle when planning treatment.

Ich outbreaks are almost always triggered by stress, most commonly a sudden temperature drop or poor water quality. Prevention focuses on maintaining stable water temperature and avoiding the introduction of infected fish. New fish should be quarantined and observed for signs of disease before being added to the main tank.

Herpesvirus Infections

Herpesviruses are common in aquatic animals and infect many fish species, though they typically cause disease in only one or two species. A study on herpesvirus occurrence in fish found that koi, Nile tilapia, grass carp, goldfish, and crucian carp could carry herpesvirus DNA without showing clinical signs, and that infected fish without clinical symptoms can actively transfer infectious agents to disease-susceptible species. The study identified goldfish herpesvirus and cyprinid herpesvirus 2 in multiple species, with survival rates at 20 days post infection ranging from 5 percent for grass carp to 100 percent for goldfish.

This research has practical implications for goldfish keepers. A fish that appears healthy can carry a virus that is lethal to another species. This is another reason to avoid mixing goldfish with koi or other carp species without quarantine, and to source fish from reputable suppliers that maintain disease-free stocks.

Bacterial Infections

Bacterial infections in goldfish commonly present as fin rot, skin ulcers, hemorrhagic septicemia, and exophthalmia. A review on antibiotic abuse in ornamental fish noted that pathogenic microorganisms including Edwardsiella, Flavobacterium, and Shewanella species cause these conditions, and that prophylactic and therapeutic antibiotic applications elevate antibiotic residues in fish tissues and carriage water, selecting for antibiotic-resistant bacteria and resistance genes.

The review emphasized the need for a One Health approach involving enhanced surveillance, regulatory oversight, and alternative antimicrobial strategies such as probiotics and advanced water treatments. For the home aquarium keeper, the practical implication is that antibiotics should not be used without a confirmed diagnosis and veterinary guidance. Most bacterial infections in goldfish are secondary to poor water quality, and the first treatment step is always to correct the environment.

Swim Bladder Disorders

Swim bladder disorders are common in fancy goldfish with round body shapes. These disorders cause the fish to float at the surface, sink to the bottom, or swim at an angle. The causes include overfeeding, constipation, and anatomical abnormalities. Treatment begins with a fasting period of 24 to 48 hours, followed by feeding blanched peas to relieve constipation. Water quality should be tested and corrected, and the fish should be observed for improvement.

Water Change and Maintenance Routines

Regular water changes are the most important maintenance task in goldfish keeping. Water changes remove nitrate and other dissolved waste that cannot be removed by filtration, and they replenish minerals that are consumed by the biological filter. A weekly water change of 25 to 30 percent is the minimum for a properly stocked goldfish tank.

Performing a Water Change

Turn off the filter and heater before draining water. Use a siphon to remove water from the tank, directing the siphon over the substrate to vacuum up waste. Do not remove the fish during a water change, as netting causes stress and increases the risk of injury. Prepare the replacement water in a clean bucket, add water conditioner to remove chlorine and chloramine, and adjust the temperature to match the tank. Add the new water slowly to avoid disturbing the substrate and decorations. Turn the equipment back on and verify that the filter is flowing properly.

Filter Maintenance

Filter media should be cleaned when flow rate visibly decreases, typically every two to four weeks. Rinse mechanical media such as filter floss and sponges in a bucket of tank water to remove debris. Do not use tap water, as the chlorine will kill the nitrifying bacteria. Biological media such as ceramic rings and bio-balls should be rinsed gently and never replaced all at once. Replacing all biological media at once destroys the bacterial colony and causes an ammonia spike.

Equipment Checks

Check the thermometer daily to verify that the temperature is stable. Inspect the filter intake and output for blockages, and clean the impeller if the flow rate drops. Check the air pump and air stone for proper function, and replace the air stone if it becomes clogged. Inspect the heater for cracks or damage, and verify that it is maintaining the set temperature. Test the water weekly for pH, ammonia, nitrite, and nitrate, and record the results.

Records and Measurements

Keeping records is essential for identifying trends and detecting problems early. A simple logbook or spreadsheet should track water test results, water changes, feeding amounts, and any observed changes in fish behavior or appearance. These records allow you to identify gradual changes that might otherwise go unnoticed, such as a slow rise in nitrate or a gradual decline in appetite.

The table above shows a sample record format. The nitrate level is rising between water changes, which is normal, but the trend should be monitored. If nitrate consistently exceeds 40 mg/L before the next water change, increase the water change volume or frequency.

Behavioral observations are as important as water test results. A healthy goldfish is active, has a good appetite, and interacts with its environment. Changes in behavior often precede visible signs of disease. A fish that is lethargic, gasping at the surface, or refusing food is showing early signs of stress or illness, and water quality should be tested immediately.

Common Failure Patterns in Goldfish Tank Setup

The following failure patterns account for most goldfish health problems in home aquariums. Recognizing these patterns allows you to correct the underlying cause before the fish becomes seriously ill.

New Tank Syndrome

New tank syndrome occurs when fish are added to a tank that has not been cycled. Ammonia and nitrite rise to toxic levels, and fish die within days or weeks. The pattern is predictable: the fish appear fine for the first few days, then become lethargic, gasp at the surface, and die. Prevention requires cycling the tank before adding fish, and the treatment for an established case is immediate water changes to dilute the ammonia and nitrite.

Overstocking

Overstocking occurs when too many fish are kept in a tank that is too small. The biological filter cannot keep up with the waste load, and ammonia and nitrite remain elevated. Fish in overstocked tanks show chronic stress, poor growth, and increased susceptibility to disease. The solution is to reduce the number of fish or increase the tank size, not to add more filtration.

Overfeeding

Overfeeding is the most common management error. Excess food decomposes and produces ammonia, and the resulting water quality problems stress the fish. The pattern is often seen in tanks where the owner feeds multiple times daily without observing whether the food is consumed. The solution is to feed only what the fish can eat in two minutes, two to three times daily, and to remove uneaten food.

Inadequate Filtration

Inadequate filtration occurs when the filter is too small for the tank or when the filter media is not maintained. A filter that is clogged with debris restricts water flow and reduces oxygen delivery to the biological media. The pattern is a gradual decline in water quality despite regular water changes. The solution is to select a filter rated for at least twice the tank volume and to clean the media regularly.

Sudden Temperature Changes

Sudden temperature changes occur when water is added during a water change without temperature matching, or when the tank is located near a heat source or draft. The stress from temperature shock suppresses the immune system and can trigger disease outbreaks, particularly ich. The solution is to always match the temperature of new water to the tank and to keep the tank in a stable location.

Limitations and Professional Escalation Criteria

Home water testing kits have limitations. Liquid test kits are more accurate than test strips, but both can give false readings if the reagents are expired or if the testing procedure is not followed exactly. If a test result seems inconsistent with the fish's behavior, repeat the test with fresh reagents before taking action.

Water quality problems that do not respond to water changes and feeding adjustments may indicate a more serious issue. The following situations warrant professional veterinary consultation:

• Ammonia or nitrite remains detectable after multiple water changes over several days
• Fish show visible signs of disease such as white spots, ulcers, fin rot, or popeye
• Fish are gasping at the surface despite adequate aeration
• Multiple fish die within a short period
• A fish shows neurological signs such as spinning, listing, or inability to maintain orientation
• A fish stops eating for more than three days

Veterinary professionals should be consulted before using any medication. The review on antibiotic abuse in ornamental fish highlighted that antibiotic use in ornamental fish is widespread and often unregulated, and that this contributes to antibiotic resistance with risks to fish health, human exposure, and environmental health. Do not add antibiotics to a tank without a confirmed diagnosis and veterinary guidance, and never use medications that are not labeled for aquarium use.

Frequently Asked Questions

What size tank does a goldfish need?

A single fancy goldfish requires a minimum of 75 liters, and a single common goldfish requires a minimum of 150 liters. Each additional fish needs more volume. These minimums are based on the adult size of the fish and the waste load they produce. A larger tank is always better because it provides more stable water parameters and more dilution of waste.

How long does it take to cycle a new goldfish tank?

Fishless cycling typically takes four to eight weeks. The process involves adding an ammonia source to the tank and monitoring ammonia, nitrite, and nitrate until the filter can process ammonia to zero within 24 hours. Using established filter media from a mature tank can shorten the process, but daily testing is still required until the system stabilizes.

Do goldfish need a heater?

Goldfish are coldwater fish and do not require a heater in most indoor environments. The ideal temperature range is 18 to 24 degrees Celsius. A heater can be useful in rooms that get cold in winter, but the goal is temperature stability instead of a specific value. Sudden temperature changes are more harmful than a stable temperature outside the ideal range.

How often should I change the water in a goldfish tank?

A weekly water change of 25 to 30 percent is the minimum for a properly stocked goldfish tank. The frequency and volume should be adjusted based on nitrate testing. If nitrate exceeds

Related Veterinary Guides

• Axolotl Tank Setup and Water Parameters
• Discus Fish Care: Tank Setup, Water, Diet, and Health
• Reef Tank Water Chillers: BTU Sizing, Temperature Sensors, and Heat Dissipation Setup
• Essential Grooming Equipment
• Goldfish Tank Size Guide

References and Further Reading

• Merck Veterinary Manual. Merck Veterinary Manual.
• Animal Health and Welfare. World Organisation for Animal Health.
• Cost-Effective Fish Volume Estimation in Aquaculture Using Infrared Imaging and Multi-Modal Deep Learning.. Sensors (Basel, Switzerland), 2026.
• A novel method for evaluating the efficacy of pharmaceuticals against the &lt,i&gt,in vivo&lt,/i&gt, stage of &lt,i&gt,Ichthyophthirius multifiliis&lt,/i&gt, in fish.. 2025.
• Antibiotic Abuse in Ornamental Fish: An Overlooked Reservoir for Antibiotic Resistance.. 2025.
• ManyFishes: a big team science collaboration on fish comparative cognition.. 2025.
• Occurrence of herpesvirus in fish.. 2024.
• Impact of dietary pomegranate peel biochar on performance and economics of Nile tilapia (Oreochromis niloticus).. 2025.
• Differential captivity and experiential conditions and its impact on the behaviour and cognition of Picasso triggerfish (Rhinecanthus aculeatus).. 2026.
• LPS-Induced Inflammation and Preconditioning in Rainbow Trout: Markers of Innate Immunity and Oxidative Stress.. 2025.
• Fermented vs. Non-Fermented Biofloc: Growth Performance, Biochemical Composition and Water Quality Parameters in Indoor Culture of Goldfish, Carassius auratus. Fishery technology, 2025.
• Application of the Internet of Things in Monitoring and Controlling Water Quality of Goldfish in Aquariums. International Journal of Engineering Science and Information Technology, 2025.
• Effect of Grape Seed (Vitis vinifera) Extract on Growth and Blood Parameters of Ctenopharyngodon idella (Grass carp) and Carassius auratus (Goldfish). Veterinary and Zootechnical Sciences, 2025.
• IoT Based Goldfish Aquarium Water Quality Monitoring System Using SDLC Method. Journal of Artificial Intelligence and Engineering Applications (JAIEA), 2025.
• Water Quality Control System and Automatic Feeding Based on The Internet of Things for GoldFish. IPTEK Journal of Engineering, 2024.
• Dietary Effect of Grape Seed Proanthocyanidin Extract on Growth Performance, Serum Biochemical Parameters, Skin Mucosal Immune Response, and Antioxidant Capacity in Goldfish (Carassius auratus). Annals of Animal Science, 2022.
• Effects of dietary Ferula elaeochytris root powder concentrations on haematology, serum biochemical parameters, spermatozoa parameters, and oxidative status in tissues of males goldfish (Carassius auratus). 2021.
• Effects of Aquatic Plants on Nutrient Concentration in Water and Growth Performance of Fantail Goldfish in an Aquaculture System. Sustainability, 2021.

This article is educational and is not a substitute for veterinary diagnosis or treatment. Contact a veterinarian for advice about an individual animal.