ARKive Related Species

Species in the class Oligochaeta	Results 1 - 2

Species in the class Oligochaeta

Results 1 - 2

Medicinal leech (Hirudo medicinalis)
This animal has a slightly flattened cylindrical body, divided into 33 or 34 segments. The upperside is dark brown or black with s... More	7 Images	1 Video

3rd November 2009: IUCN Red List of Threatened Species - Extinction crisis continues
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An image of the Extinct longnose stubfoot toad.
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The basking shark is the second largest fish in the sea, reaching up to 10 metres in length.
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