Earthworms
Lumbricus terrestris
Also known as: nightcrawlers, red worms, fishing worms
Safety by species
Leopard Tortoise
Stigmochelys pardalis
[confidence: high] [source: Reptifiles leopard tortoise care; exotic reptile veterinarian review] Animal protein not appropriate for strict herbivore leopard tortoises.
Russian Tortoise
Agrionemys horsfieldii
[confidence: high] [source: Tortoise Trust Russian tortoise diet; exotic reptile veterinarian review] Animal protein not appropriate for strict herbivore Russian tortoises.
Sulcata Tortoise
Centrochelys sulcata
[confidence: high] [source: Reptifiles sulcata tortoise care; exotic reptile veterinarian review] Animal protein not appropriate for strict herbivore Sulcata tortoises.
Hermann's Tortoise
Testudo hermanni
[confidence: high] [source: Tortoise Trust Mediterranean tortoise diet; exotic reptile veterinarian review] Animal protein not appropriate for strict herbivore Hermann's tortoises; protein excess can cause kidney damage.
Greek Tortoise
Testudo graeca
[confidence: high] [source: Tortoise Trust Mediterranean tortoise diet; exotic reptile veterinarian review] Animal protein not appropriate for strict herbivore Greek tortoises; protein excess can cause kidney damage over time.
Red-footed Tortoise
Chelonoidis carbonarius
Excellent protein source. Critical for neurological health — purely plant-based red-footed tortoises develop hind-leg paralysis. Feed captive-raised worms only.
Red-eared Slider
Trachemys scripta elegans
Excellent natural protein source. Eagerly eaten by all aquatic turtle species. Use captive-raised.
Painted Turtle
Chrysemys picta
Excellent natural protein source. Eagerly eaten by all aquatic turtle species. Use captive-raised.
Yellow-bellied Slider
Trachemys scripta scripta
Excellent natural protein source. Eagerly eaten by all aquatic turtle species. Use captive-raised.
Eastern Box Turtle
Terrapene carolina
Excellent protein source eagerly taken by box turtles. Especially important for juveniles.