BUENOS AIRES (Reuters) - Scientists in Argentina have discovered excellently preserved fossil remains of the oldest-known tadpole, the larval stage of a large frog species that lived alongside ...

Tadpoles grow pumped-up tails when stressed out by the threat of predators nearby, a new study finds. These beefed-up tails help the tadpoles escape predators such as dragonfly larvae, according to ...

CC0 Usage Conditions ApplyClick for more information. Once the grass frogs of Predjama have successfully mated, it will take two weeks for the tadpoles to emerge. But a threat still abounds, in the ...

Botryllus schlosseri is a colonial tunicate (or sea squirt), so named because it lives in colonies that are communally covered by a leathery tunic. Its larvae bear a striking resemblance to ...