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The electroreceptors of monotremes consist of free nerve endings located in the mucous glands of the snout. Among the monotremes, the platypus (Ornithorhynchus anatinus) has the most acute electric sense. [37] [38] The platypus localises its prey using almost 40,000 electroreceptors arranged in front-to-back stripes along the bill. [34]
The platypus (Ornithorhynchus anatinus), sometimes referred to as the duck-billed platypus, is a semiaquatic, egg-laying mammal endemic to eastern Australia, including Tasmania. The platypus is the sole living representative or monotypic taxon of its family Ornithorhynchidae and genus Ornithorhynchus , though a number of related species appear ...
The platypus, a duck-billed, beaver-tailed mammal that adores the water, is so beloved in its home country of Australia, the nation has featured the species on its 20-cent coin.
All fish, indeed all vertebrates, use electrical signals in their nerves and muscles. [1] Cartilaginous fishes and some other basal groups use passive electrolocation with sensors that detect electric fields; [2] the platypus and echidna have separately evolved this ability. The knifefishes and elephantfishes actively electrolocate, generating ...
Several short videos show the rare animal floating along the surface of the river before quickly diving out of sight with a splash. In one video, the platypus appears to swim almost directly ...
The platypus venom has a broadly similar range of effects and is known to consist of a similar selection of substances to reptilian venom, and appears to have a different function from those poisons produced by lower vertebrates.
Ampullae of Lorenzini are physically associated with and evolved from the mechanosensory lateral line organs of early vertebrates.Passive electroreception using ampullae is an ancestral trait in the vertebrates, meaning that it was present in their last common ancestor. [7]
Obdurodon is a genus of extinct platypus-like Australian monotreme which lived from the Late Oligocene to the Late Miocene.Three species have been described in the genus, the type species Obdurodon insignis, plus Obdurodon dicksoni and Obdurodon tharalkooschild.