Types of Tadpoles

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Tadpoles are also known as polliwogs and pollywiggles, and they are the completely aquatic form of a frog or toad. There are five main families of tadpoles that species can be categorised into based on certain identification characteristics. These five families are Bufonidae, Ranidae, Hylidae, Microhylidae and Pelobatidae.

"Tadpole Lips" is Copyrighted by Flickr user: jurvetson (Steve Jurvetson) under the Creative Commons Attribution license.

Bufonidae

This family of tadpoles is made up of species that evolve into true toads, with more than 35 different genera of bufonids.

Ranidae

This family of tadpoles is known as true frogs, with the widest frog distribution as Ranidae tadpoles and frogs can be found on every continent except for Antarctica. The Ranidae family of frogs also has the greatest variety of sizes, ranging from the very small to very large.

Hylidae

Most of the frogs in this wide-ranging family are tree frogs, although this is one of the most diverse families of frogs, including both terrestrial and tree frog varieties.

Microhylidae

This is a large family of frogs encompassing 413 species, making it the largest of all frog families. These are mostly smaller sized frogs, with the largest being only 3.5 inches in length and most falling below 0.59 inches in length.

Pelobatidae

This family describes European spadefoot toads, and there are seven species in this family which eventually grow to as large as 3.9 inches in length with feet designed for digging.

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