# Can Parrots Eat Tuna or Other Fish? Safety and Risks

Can parrots eat tuna fish? Yes, a parrot can eat a small amount of plain, fresh fish now and then, but tuna is not a natural or needed part of a parrot's diet. Canned tuna in particular comes with mercury, salt, and additive concerns that make it a poor choice for pet birds. This article is educational and is not a substitute for veterinary diagnosis or treatment.

## Quick Answer

- Plain, cooked, unseasoned fish is safe for most parrots in very small amounts (about a thumbnail-sized piece for a medium bird, less for small species).
- Canned tuna is the riskiest form because of added salt, oil or brine, and mercury that builds up in long-lived birds [1].
- Fish is a treat, not a meal. Parrots are not fish eaters in the wild, and their diet should stay centered on pellets, vegetables, and a little fruit.
- Never feed fish that is breaded, fried, smoked, seasoned, or packed with garlic, onion, or xylitol.
- If your bird eats a large amount of canned tuna or any fish containing onion, garlic, or xylitol, call your veterinarian or a pet poison hotline right away.

## Can Parrots Eat Tuna Fish? The Short Answer

Most parrots can safely eat a tiny piece of plain, cooked fish, including tuna, as an occasional treat. That said, "safe" does not mean "good for them." Parrots are not fish-eating birds. Their bodies are built for seeds, fruit, nectar, flowers, and plant matter, not seafood [2]. Fish offers protein and some omega-3 fatty acids, but your parrot can get everything it needs from a balanced diet without any fish at all.

The bigger issue is the form the fish comes in. A fresh, plain fillet that you cooked yourself is very different from a can of tuna packed in oil and salt. The canned version is where most of the real risk lives.

If you are comparing notes with cat owners, the tuna questions are similar but the answers differ by species. You can read more about how tuna affects cats in [Can Cats Safely Eat Tuna](/knowledge/veterinary-medicine/toxicology-and-food-safety/can-cats-safely-eat-tuna) and [Can Cats Eat Tuna? Mercury Poisoning & Malnutrition Risks](/knowledge/veterinary-medicine/toxicology-food-safety/can-cats-eat-tuna-mercury-poisoning-malnutrition-risks).

## Do Parrots Eat Fish in the Wild?

No. Parrots do not eat fish in the wild. Wild parrots eat plant material almost exclusively. A DNA study of Burrowing Parrots found that their diet was made up entirely of plant items, with a wide variety of plants identified across the year [2]. Other parrot species follow the same pattern, whether they are granivores that eat mostly seeds or nectivores that feed on nectar [3].

This matters because it tells you what your bird's digestive system expects. A parrot's gut microbiome is dominated by bacteria suited to a plant-based diet, with Lactobacillus commonly found across many companion species [4]. Fish is not a food their system evolved to process, so it should stay a rare, tiny addition.

Fish-eating birds are a completely different story. Penguins, pelicans, and similar species eat fish, squid, and crustaceans as their main diet, and even they need several fish species to avoid nutrient gaps [5]. Your parrot is not one of those birds.

## Is Tuna Safe for Parrots? Mercury and Contaminant Concerns

Tuna is one of the higher-mercury fish, and that is the main reason to keep it away from your parrot or limit it sharply. Mercury accumulates in long-lived, high-trophic consumers, meaning animals near the top of the food chain that live a long time [1]. Parrots fit that profile. They are long-lived birds, and mercury builds up in their tissues over time.

Heavy metal exposure in parrots has been linked to serious problems, including neurotoxic effects, weakened immune function, reproductive failure, and reduced survival [1]. Contaminants can even pass from a mother bird into her eggs, which affects the next generation [1]. A single small piece of tuna will not poison your bird, but repeated servings let mercury stack up in the body with no way to clear it quickly.

Salt is the second concern with canned tuna. Canned fish is packed with sodium for flavor and preservation, and birds have a low tolerance for added salt. Too much salt can cause dehydration, thirst, and in serious cases neurological or heart problems. Oil-packed tuna adds unnecessary fat that can upset a bird's digestion and lead to weight gain over time.

## What About Other Fish? Form-by-Form Guide

Not all fish is equal. Preparation and packaging decide whether a piece of fish is a reasonable treat or a hazard.

| Form | Safe? | Notes |
|---|---|---|
| Plain cooked fresh tuna or salmon | Yes, tiny amounts | Cook with no oil, salt, or seasoning. Cool fully before offering. |
| Canned tuna in water, no salt added | Rarely, very small amounts | Still carries mercury. Rinse well and limit to a crumb-sized piece. |
| Canned tuna in oil or brine | No | High sodium and added fat. Skip it. |
| Smoked, salted, or pickled fish | No | Very high sodium and preservatives. |
| Breaded or fried fish | No | Grease, batter, and seasoning are all unsafe. |
| Sushi or raw fish | No | Raw fish carries bacteria and parasite risk. |
| Fish with garlic, onion, or xylitol | No, emergency | These ingredients are toxic to birds. |
| Fish bones | No | Splinter easily and can puncture the crop or gut. |

## Risks of Feeding Fish to Parrots

### Choking and Bone Hazards

Fish bones are thin and sharp, and they can splinter. A bird's crop and digestive tract are not built to handle them. Always remove every bone before offering any fish, and cut the flesh into pieces small enough that your bird cannot swallow them whole.

### Digestive Upset

Fish is unfamiliar food for a parrot's gut. Even a small amount can cause loose droppings, vomiting, or a fluffed, uncomfortable bird. Some parrots tolerate it fine, and others react within hours. Start with a piece no bigger than a grain of rice and watch your bird closely for the rest of the day.

### Mercury and Heavy Metals

As covered above, mercury accumulates in long-lived birds and can cause lasting harm to the nervous system and immune function [1]. This is the strongest argument for keeping tuna, especially canned tuna, out of your parrot's regular routine.

### Toxic Additives

Some canned and prepared fish products contain ingredients that are genuinely dangerous for birds. Garlic and onion damage red blood cells and can cause anemia. Xylitol, a sugar alcohol used in some flavored or diet products, causes dangerous drops in blood sugar. Salt in large amounts causes sodium poisoning. Read every label, and if you see any of these, do not feed it.

### Nutritional Imbalance

Fish is high in protein and fat compared to what a parrot needs. If fish starts replacing pellets, vegetables, or fruit, your bird can develop nutrient gaps over time. A parrot on a mostly fish or mostly poultry diet will not get the calcium, vitamin A, and fiber balance it needs.

## How to Offer Fish Safely

If you want to let your parrot try fish, follow these steps.

1. Choose plain, fresh fish. Tuna, salmon, or another oily fish works, but fresh is better than canned.
2. Cook it with no oil, butter, salt, or seasoning. Poaching or baking plain is fine.
3. Let it cool completely. Hot food can burn the crop and mouth.
4. Remove all bones and skin.
5. Cut a piece about the size of a grain of rice for small birds, or a thumbnail for medium and large birds.
6. Offer it no more than once or twice a month, and only if your bird tolerates it.
7. Remove any uneaten fish within an hour so it does not spoil.

Fish should never make up more than a tiny fraction of your bird's diet. Think of it as a rare curiosity, not a food group.

## Why a Poultry-Only Diet Is Not Right for Parrots

Some owners hear "protein" and start feeding chicken or turkey as a main food. That is a mistake. Parrots are not carnivores or omnivores in the way that cats and dogs are. Their natural diet is plant-based, and their digestive system and gut bacteria reflect that [2][4].

A poultry-only or meat-heavy diet leaves out the fiber, vitamins, and minerals your parrot needs from plants. It can also overload the kidneys and liver with protein and fat they are not designed to process in large amounts. Even fish-eating birds in captivity need a mix of several fish species to avoid nutrient deficiencies [5], which shows how narrow any single-food diet really is.

If you want to add protein variety, focus on what parrots actually eat: leafy greens, carrots, squash, bell peppers, a little cooked egg, and a high-quality pellet base. Those cover protein needs without the risks that come with fish.

## What to Do If Your Parrot Ate Too Much Fish

If your bird ate a large amount of canned tuna, or any fish containing onion, garlic, or xylitol, treat it as a possible emergency. Call your veterinarian or a pet poison hotline right away. Do not wait for symptoms to appear.

Signs that need immediate attention include vomiting, drooling, weakness, difficulty breathing, pale or bloody droppings, tremors, or collapse. Bring the packaging with you if you can, so your vet knows exactly what was eaten.

If your bird ate a small piece of plain fish and seems normal, you can monitor at home. Watch droppings, appetite, and energy for 24 hours. Call your vet if anything looks off.

Your veterinarian will decide on any treatment based on your bird's weight, species, and the amount eaten. Never try to make your bird vomit at home.

## Safer Alternatives to Fish

You do not need fish to meet your parrot's protein needs. Better options include:

- Cooked egg, including the shell for calcium
- Well-cooked beans and lentils in small amounts
- Plain cooked chicken in tiny, occasional pieces
- High-quality commercial pellets formulated for your species
- Dark leafy greens, broccoli, and squash
- A small amount of nuts and seeds for larger species

These foods fit a parrot's natural diet far better than tuna ever will.

## Limitations and When to Contact a Veterinarian

This article gives general guidance, not a diagnosis. Every bird is different, and your veterinarian needs to assess your individual parrot.

Call your veterinarian the same day if your bird ate canned tuna in a large amount, ate fish with onion, garlic, or xylitol, or shows vomiting, loose droppings, or a drop in appetite.

Go to an emergency clinic now if your bird is gasping, collapsing, having tremors or seizures, or passing blood in the droppings.

Schedule a routine visit if your bird has eaten fish regularly over weeks or months, or if you are unsure whether its diet is balanced. A vet can check weight, droppings, and overall condition.

## Frequently Asked Questions

### Can birds eat tuna fish from a can?

A bird can eat a tiny amount of canned tuna packed in water with no added salt, but it is not a good regular food. Canned tuna carries mercury that builds up in long-lived birds, plus sodium that birds handle poorly [1]. If you offer any, rinse it well and keep the piece crumb-sized.

### Does my parrot need fish in its diet?

No, your parrot does not need fish. Parrots are plant eaters in the wild, and their diet is built around seeds, fruit, nectar, and other plant material [2]. A balanced pellet and vegetable diet covers all their protein needs without fish.

### Is salmon safer than tuna for parrots?

Salmon is generally lower in mercury than tuna, so a plain, cooked piece is a slightly better choice. The same rules apply: no oil, salt, or seasoning, no bones, and only a tiny amount. Neither fish should become a regular part of the diet.

### Can fish make my parrot sick?

Yes, fish can cause digestive upset, and certain forms are dangerous. Canned or prepared fish with garlic, onion, xylitol, or heavy salt can cause real toxicity. Mercury from repeated tuna meals can build up and harm the nervous system and immune function over time [1].

### What protein foods are better for my parrot?

Cooked egg, well-cooked beans, and a quality pellet diet are safer protein sources for parrots. You can also offer dark leafy greens, broccoli, and squash. These fit a parrot's plant-based digestive system far better than fish or meat [4].

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## Related Articles

- [Can Cats Safely Eat Tuna](/knowledge/veterinary-medicine/toxicology-and-food-safety/can-cats-safely-eat-tuna)
- [Can Tuna Safe For Cats](/knowledge/veterinary-medicine/toxicology-and-food-safety/can-tuna-safe-for-cats)
- [Can Cats Safely Eat Canned Tuna](/knowledge/veterinary-medicine/toxicology-and-food-safety/can-cats-safely-eat-canned-tuna)
- [Can Cats Eat Tuna Fish](/knowledge/veterinary-medicine/clinical-methods/can-cats-eat-tuna-fish)
- [Can Cats Eat Tuna? Mercury Poisoning & Malnutrition Risks](/knowledge/veterinary-medicine/toxicology-food-safety/can-cats-eat-tuna-mercury-poisoning-malnutrition-risks)
- [Can Cats Eat Just Tuna Fish](/knowledge/veterinary-medicine/clinical-methods/can-cats-eat-just-tuna-fish)

## References

1. [Heavy Metal Poisoning and Its Impacts on the Conservation of Amazonian Parrots: An Interdisciplinary Review](https://pubmed.ncbi.nlm.nih.gov/40563911/). Biology, 2025.
2. [Using next-generation sequencing to unravel the diet composition of Burrowing Parrots over the annual cycle](https://pubmed.ncbi.nlm.nih.gov/42782303/). Die Naturwissenschaften, 2026.
3. [Functionally Relevant Feeding Enrichment: An Examination of Nectar Feeding Devices With Two Species of Parrot](https://pubmed.ncbi.nlm.nih.gov/42608349/). Veterinary medicine and science, 2026.
4. [Characterization and Comparative Analysis of Gut Microbiomes in Fourteen Parrot Species](https://pubmed.ncbi.nlm.nih.gov/41745979/). Veterinary sciences, 2026.
5. [Nutrition in Piscivorous (Fish-Eating) Birds - Management and Nutrition](https://www.merckvetmanual.com/management-and-nutrition/nutrition-exotic-and-zoo-animals/nutrition-in-piscivorous-fish-eating-birds). Merck Veterinary Manual.

## Further Reading

- [ASPCA Animal Poison Control Center](https://www.aspca.org/pet-care/animal-poison-control)
- [ASPCA: People Foods to Avoid Feeding Your Pets](https://www.aspca.org/pet-care/aspca-poison-control/people-foods-avoid-feeding-your-pets)
- [Merck Veterinary Manual: Bird Owners](https://www.merckvetmanual.com/bird-owners)