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Can Cats Eat 3 min read Updated 15 Apr 2026

Can Cats Eat Prawns? Vet Guide [Research]

Hazel Russell
Reviewed by
Hazel Russell · BVSc · AVA Member
Last reviewed 15 Apr 2026
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Cooked, plain prawns are an excellent occasional treat for cats — high in protein, low in calories, and safe. Raw prawns pose bacterial contamination risk and contain thiaminase (an enzyme that destroys B vitamins). Always remove the shell and tail to prevent choking.

Can Cats Eat Prawns? The Full Answer

Cooked prawns are one of the best treat options for cats. They're high in protein (roughly 20g per 100g cooked prawn), very low in calories (roughly 99 calories per 100g), and provide complete amino acid profiles including taurine — a compound cats cannot synthesise themselves. A single cooked prawn is an excellent low-calorie reward for training or as an occasional snack, and it provides genuine nutritional value unlike many human foods.

Raw prawns, however, pose multiple risks. Uncooked prawns can harbour Salmonella and Vibrio bacteria, which cause severe gastroenteritis in cats. Additionally, raw prawns contain thiaminase, an enzyme that degrades thiamine (vitamin B1). While a single raw prawn wouldn't cause acute B1 deficiency, regular consumption could lead to nutritional deficiency. Cooking inactivates thiaminase and kills bacterial pathogens, making cooked prawns safe and nutritious.

The physical hazard is significant. Prawn shells are hard and can splinter. If a cat swallows shell fragments, they can lodge in the throat or oesophagus, causing choking. Additionally, prawn tails are sharp and can puncture the roof of the mouth or oesophagus if swallowed without chewing. Always remove shells, tails, and visible entrails before offering prawns to cats. Deveining (removing the intestinal tract) reduces bacterial contamination risk further.

Veterinarians recommend cooked prawns as an excellent occasional treat, particularly for weight management (they're very low in calories relative to other treats) or as a high-value reward for training. Use sparingly — once weekly is appropriate. Prawns should supplement regular meals, not replace them.

How to Safely Serve Prawns to Your Cat

  1. **Cook thoroughly:** Boil or steam until fully cooked (pink throughout)
  2. **Cool completely:** Serve at room temperature, never hot
  3. **Peel and devein:** Remove shell, tail, and visible intestinal tract
  4. **Cut into pieces:** Cut into 2–3 bite-sized pieces to reduce choking risk
  5. **Supervise:** Watch your cat eat to ensure no choking

Frequently Asked Questions

Can cats eat raw prawns from a sushi platter?

Not recommended. Sushi-grade prawns are fresher but still pose thiaminase and bacterial risks. Cooked prawns are safer.

Are frozen prawns safe for cats?

Yes. Thaw fully, then prepare as described (cook, peel, devein). Frozen prawns are often fresher than fresh at retail.

What if my cat ate a prawn with the shell on?

Monitor for choking signs (gagging, vomiting). If small and swallowed whole without distress, passage is often fine. Watch litter box output.

Are shrimp and prawns the same for cats?

Yes, nutritionally equivalent. Both are safe when cooked and prepared the same way.

Can I use prawns as a training treat?

Yes, excellent choice. Low-calorie, high-protein, highly rewarding. Cut into small pieces for training.


Explore more: This article is part of our Cat Food & Nutrition Hub — browse all guides in this topic.
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Hazel
Written by

Hazel

BVSc — Charles Sturt University

Founder of Pawkeen. BVSc (Charles Sturt University). Hazel buys, tests, and reviews pet products for real Australian conditions — so you don't waste your money on stuff that doesn't work.

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