A tadpole is the larval stage in the life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some features that may not be found in adult amphibians such as a lateral line, gills, and tails.

Why is it called a Pollywog?

Etymology. The name tadpole is from Middle English taddepol, made up of the elements tadde, 'toad', and pol, 'head' (modern English poll). Similarly, pollywog / polliwog is from Middle English polwygle, made up of the same pol, 'head', and wiglen, 'to wiggle'.

Is a Pollywog the same as a tadpole?

Polliwog and tadpole are different words for the same thing. Both words refer to the larval stage of both frogs and toads. ... The metamorphosis from this larval form swimming in a watery environment to adult amphibian with legs and lungs adapted to life out of water is a journey fraught with danger.