Romaine Lettuce

Sulcata Tortoise

Centrochelys sulcata

[confidence: high] [source: Reptifiles sulcata tortoise care; exotic reptile vet review] Very low nutritional density; high water content inappropriate for grass-grazing Sulcata tortoise; avoid.

Leopard Tortoise

Stigmochelys pardalis

[confidence: high] [source: Reptifiles leopard tortoise care; exotic reptile vet review] Very low nutritional density; can dilute nutrition if used regularly; acceptable occasional minor addition.

Red-footed Tortoise

Chelonoidis carbonarius

[confidence: high] [source: Reptifiles red-footed tortoise care guide] Low nutritional density; high water content; acceptable minor filler green only.

Russian Tortoise

Agrionemys horsfieldii

[confidence: high] [source: The Tortoise Table; Tortoise Trust Russian tortoise diet article] Very low nutritional density; high water content dilutes nutrition and is inappropriate for arid-adapted species; avoid as staple.

Hermann's Tortoise

Testudo hermanni

Low nutritional value. Can be used as a "vehicle" to get tortoises to eat other foods, but should not form a large part of the diet.

Greek Tortoise

Testudo graeca

Low nutritional value. Can be used as a "vehicle" to get tortoises to eat other foods, but should not form a large part of the diet.

Eastern Box Turtle

Terrapene carolina

[confidence: high] [source: VCA box turtle diet guide; Reptifiles box turtle care] Low nutritional density and high water content; can dilute dietary nutrition if used as staple; acceptable as minor filler green.

Yellow-bellied Slider

Trachemys scripta scripta

Low nutrition but readily accepted. Good "gateway" green to encourage leafy vegetable eating. Better than iceberg.

Painted Turtle

Chrysemys picta

Low nutrition but readily accepted. Good "gateway" green to encourage leafy vegetable eating. Better than iceberg.

Red-eared Slider

Trachemys scripta elegans

Low nutrition but readily accepted. Good "gateway" green to encourage leafy vegetable eating. Better than iceberg.