As a large species of spider, the Colombian lesserblack tarantula is more than capable of killing and eating a small amphibian like the dotted humming frog. ... In return for guarding the mama spider's offspring, the frogs are allowed to keep on hopping.

Will a tarantula eat a frog?

Tarantula Diet

Tarantulas are carnivores, meaning that they feed on meat. They eat many kinds of large insects such as crickets, grasshoppers, June beetles, cicadas, millipedes, caterpillars, and other spiders. Larger tarantulas will also eat frogs, toads, fish, lizards, bats, and even small rodents and snakes.

Is it cruel to keep frogs as pets?

You should! Frogs make great pets, as long as some things are kept in mind. Frogs are relatively easy and inexpensive to keep, can be long lived, make great display animals, provide many educational opportunities for children, low maintenance, and definitely have that cool/exotic factor going for them!