The golden poison frog is considered the most toxic vertebrate on Earth.

About 28 structural classes of alkaloids are known in poison frogs.

This Phantasmal poison frog lives up to 10 years in captivity.

One of those - the golden poison frog - is considered the most toxic vertebrate on Earth.

These are less toxic and less abundant than the golden poison frog.

Golfodulcean poison frogs are communal animals, and have recently become available in the pet trade.

Other poison frogs lay their eggs on the forest floor, hidden beneath the leaf litter.

For the bright-thighed poison frog of South America, apparently, things are a bit more complicated.

This will usually discourage a predator from attacking a cream-backed poison frog more than once.

The cream-backed poison frog is one of the less-toxic of the family.