Can Eastern Box Turtles eat Feeder Fish?
Poecilia reticulata
Safety verdict
Caution
Why
[confidence: high] [source: VCA box turtle diet guide; exotic reptile veterinarian review on thiaminase toxicity] Whole fish acceptable protein source for omnivorous box turtles; avoid goldfish and rosy reds which contain thiaminase causing B1 deficiency with regular feeding.
How much / how often
Occasionally; not more than once per week
Preparation
Use thiaminase-free species (guppies, minnows); avoid goldfish and rosy reds as staple
Nutrition (per 100 g)
16 mg
Calcium
214 mg
Phosphorus
0.1:1
Ca:P ratio
18 g
Protein
Where to buy
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Reviewed by admin on May 2026
Not veterinary advice. This information is for educational purposes. Always consult a qualified exotic animal veterinarian for guidance specific to your pet.