A genus of highly aquatic frogs native to sub-Saharan Africa. They are comonly refered to as clawed frogs. All members of the genus have a flattened, somewhat egg-shaped and streamlined bodies, and very slippery skin due to a protective mucus covering. Three of the toes on each foot have conspicuous black claws. The eyes of a Xenopus are on top of the head looking upwards, the pupils are circular. They have no moving eyelids, or tongues (it's attached to the floor of the mouth), nor eardrums. An interesting feature making them somewhat different from other amphibians is the absense of haptoglobin in their blood.
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