" Geochelone carbonaria " Because of their hardy nature, beauty and ability to adapt, the Red Foot Tortoise is one of the most popular and appropriate tortoise species for beginning keepers. Their black coloring makes a nice, contrasting background for the vibrant reds and yellows throughout their shells and legs.As adults, they rarely get to be very large. Sixteen inches long is the approximate average for adult Red Foot Tortoises. Provide your Red Foot Tortoise with enough water for them to soak in, but not too deep that they’re submerged. Red Foot Tortoises are omnivorous creatures that require meat in their diet every now and then but not often. Red Foot Tortoises love to bask and need a basking area of about 90 degrees Fahrenheit.