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The melon-headed whale is the only member of the genus Peponocephala.First recorded from a specimen collected in Hawaiʻi in 1841, the species was originally described as a member of the dolphin family and named Lagenorhynchus electra by John Edward Gray in 1846.
Scientific name Status Population Distribution Size Picture Melon-headed whale: Peponocephala electra Gray, 1846: LC: Unknown [o] 225 kg (496 lb) Genus Pseudorca – one species Common name Scientific name Status Population Distribution Size Picture False killer whale: Pseudorca crassidens Owen, 1846: NT: Unknown [p] 1.5–2 t (1.7–2.2 short ...
The melon is structurally part of the nasal apparatus and comprises most of the mass tissue between the blowhole and the tip of the snout. The function of the melon is not completely understood, but scientists believe it is a bioacoustic component, providing a means of focusing sounds used in echolocation and creating a similarity between characteristics of its tissue and the surrounding water ...
This melon consists of fat, and the skull of any such creature containing a melon will have a large depression. The melon size varies between species, the bigger the more dependent they are on it. A beaked whale for example has a small bulge sitting on top of its skull, whereas a sperm whale's head is filled up mainly with the melon. [47] [48 ...
The False killer whale (Pseudorca crassidens) is the 3rd largest species in the delphinid family, with a length of up to six meters, a black coat and rounded head reminiscent of pilot whales, but a more elongated body, an almost melon-less head and a larger mouth. Its behavior is also more energetic.
It is also known as the white whale, as it is the only cetacean to regularly occur with this colour; the sea canary, due to its high-pitched calls; and the melonhead, though that more commonly refers to the melon-headed whale, which is an oceanic dolphin.
Globicephalinae is a subfamily of oceanic dolphins that includes the pilot whales (Globicephala spp.), the pygmy killer whale (Feresa attenuata), the rough-toothed dolphin (Steno bredanensis), the false killer whale (Pseudorca crassidens), the melon-headed whale (Peponocephala electra), Risso's dolphin (Grampus griseus), and the snubfin dolphins (Orcaella spp.).
Risso's dolphin (Grampus griseus) is a marine mammal and dolphin, the only species of the genus Grampus.Some of the most closely related species to these dolphins include: pilot whales (Globicephala spp.), pygmy killer whales (Feresa attenuata), melon-headed whales (Peponocephala electra), and false killer whales (Pseudorca crassidens). [5]