Do Tortoise Eat Opuntia?

If it's opuntia (also known as prickly pear, nopales), then it's fine. Lots of tortoise species like to eat opuntia cactus pads, and also other succulent plants (but not all of them are good).

What cactus can tortoises eat?

Spineless Prickly Pear Cactus (Opuntia species).

These medium to large plants, are true cacti. Prickly pear is high in calcium, and is eaten by all of our tortoises. The cactus pads can be planted directly into the ground.

Can Opuntia be eaten?

Prickly Pear (Opuntia) is a very flexible food source. Both the pads (nopales) and the fruit (tunas) are edible, but caution should be taken with both harvesting and preparation.