Small amounts of cooked tuna are safe for dogs. Higher in mercury than other fish — limit to occasional treats. Choose tuna in water, no salt added.

How much tuna can I give my dog?

The safe serving is 3g per kg of body weight, up to 5% of daily calories.

Can Dogs Eat Tuna?

Q: Is tuna toxic to dogs?

No, Tuna is safe with_caution for dogs. Cooked tuna is safe for dogs in small, occasional amounts. It provides lean protein and omega-3 fatty acids. However, tuna has higher mercury content than many other fish (salmon, whitefish), so it should not be a regular part of your dog's diet. If feeding canned tuna, choose varieties packed in water with no added salt. Avoid tuna in oil (excess fat) and seasoned varieties. For a safer regular fish option, choose salmon or sardines, which have lower mercury levels.

Short Answer: Yes, With Caution🟡 Safe with Caution

Quick Facts

Safety Level

🟡 Safe with Caution

Detailed Information

Cooked tuna is safe for dogs in small, occasional amounts. It provides lean protein and omega-3 fatty acids. However, tuna has higher mercury content than many other fish (salmon, whitefish), so it should not be a regular part of your dog's diet. If feeding canned tuna, choose varieties packed in water with no added salt. Avoid tuna in oil (excess fat) and seasoned varieties. For a safer regular fish option, choose salmon or sardines, which have lower mercury levels.

⚠️ Warnings & Preparation

⚠️Higher mercury content than other fish — limit frequency
⚠️No raw tuna (parasite risk)
⚠️Avoid canned tuna in oil or with added salt
⚠️Small amounts occasionally are fine; do not make it a staple

📋 Preparation: Cooked tuna in small amounts. If canned, choose tuna in water (no salt added). No tuna in oil.

Looking for Safe Treats?

🛒 Tuna-flavored dog treats 🛒 Tuna dog treats 🛒 Freeze-dried chicken dog treats 🛒 Salmon dog chews

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Data Accuracy

All food safety data is sourced from peer-reviewed veterinary references and established animal health organizations. While we strive for accuracy, new research may change safety classifications. Last reviewed: August 2026. Report an error: support@pawscale.com

📎 Sources

https://www.akc.org/expert-advice/nutrition/can-dogs-eat-tuna/

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Disclaimer

This information is based on data from ASPCA, AKC, and Merck Veterinary Manual. Individual dogs may have allergies, sensitivities, or health conditions that affect food safety. The serving guidelines are general recommendations — your veterinarian can provide personalized advice based on your dog's specific needs. PawScale is not liable for any adverse reactions resulting from the use of this information.

Data sources: Source 1. Last reviewed: August 2026. Report an error: support@pawscale.com

Medical Disclaimer

The information on PawScale is for educational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult your veterinarian before making changes to your dog's diet. If you suspect your dog has ingested a toxic substance, contact your veterinarian or the ASPCA Animal Poison Control Center (888) 426-4435 immediately.