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The African clawed frog (Xenopus laevis), also known as simply xenopus, African clawed toad, African claw-toed frog or the platanna) is a species of African aquatic frog of the family Pipidae. Its name is derived from the short black claws on its feet. The word Xenopus means 'strange foot' and laevis means 'smooth'.
Xenopus (/ ˈ z ɛ n ə p ə s / [1] [2]) (Gk., ξενος, xenos = strange, πους, pous = foot, commonly known as the clawed frog) is a genus of highly aquatic frogs native to sub-Saharan Africa. Twenty species are currently described within it.
Hymenochirus Boulenger 1896 - dwarf clawed frogs (4 species) Pipa Laurenti 1768 - Surinam toads (7 species) Pseudhymenochirus Chabanaud 1920 - Merlin's dwarf gray frog or Merlin's clawed frog (1 species) Xenopus Wagler 1827 - clawed frogs (29 species) [8] Subgenus Wagler 1827 - common clawed frogs; Subgenus Gray 1864 - tropical clawed frogs
Common tree frog, Hyla arborea LC; Oriental tree frog, Hyla orientalis (eastern Europe, Turkey, Iran) [2] Italian tree frog, Hyla intermedia LC and: [n 1] Po's tree frog, Hyla perrini (southern Europe) [5] [6] Stripeless tree frog, Hyla meridionalis LC (southern Europe) Iberian tree frog, Hyla molleri (Iberian Peninsula, France) [2] Sardinian ...
A. Acanthixalus sonjae; Acanthixalus spinosus; African bullfrog; African clawed frog; African dwarf frog; African foam-nest tree frog; Afrixalus clarkei; Afrixalus crotalus
The western clawed frog is an aquatic species and is found in the West African rainforest belt with a range stretching from Senegal to Cameroon and eastern Zaire. It is generally considered a forest-dwelling species and inhabits slow-moving streams, but it is also found in pools and temporary ponds in the northern Guinea and Sudan savannas. [9]
The African clawed frog or platanna, Xenopus laevis, was first widely used in laboratories in pregnancy assays in the first half of the 20th century.When human chorionic gonadotropin, a hormone found in substantial quantities in the urine of pregnant women, is injected into a female X. laevis, it induces them to lay eggs.
The smallest amphibian (and vertebrate) in the world is a frog from New Guinea (Paedophryne amauensis) with a length of just 7.7 mm (0.30 in). The largest living amphibian is the 1.8 m (5 ft 11 in) South China giant salamander ( Andrias sligoi ), but this is dwarfed by prehistoric temnospondyls such as Mastodonsaurus which could reach up to 6 m ...