If you mean croak as died there could be many reasons. One, they could have eaten something poisonous. Two, it could have dehydrated or not eaten enough. Three, it could have come into contact with a chemical such as bleach. There are many more reasons.
If you mean croak as in the sound they make, fire-belly toads usually croak when looking for a mate, warning another frog of a predator, or warning the predator it is poisonous.
Yes, they are frogs.
fire belly toads live in south America some where in the deserts
fire belly toad is not eating his food
yes
reptile
yes they can
Fire belly toads mate during late springs and summer so im geussing late April to the end of augest
Fire belly toads like warm water, preferring water around 70 to 80 degrees Fahrenheit.
Because if they don't we wont have fire.
They are mating.
pet them (^^^)
They live at South America