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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.
The bisected head of a dolphin: The melon is just above the upper jaw. Three-dimensional models of various odontocete melons based on CT scans. The melon is a mass of adipose tissue found in the foreheads of all toothed whales. [1] [2] It focuses and modulates the animal's vocalizations and acts as a sound lens.
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]
Melon-headed whales are accidentally caught in Ghana waters. Specimens have been landed in Shama in 1994 and four in Dixcove in 2000 and 2002. An adult-sized pygmy killer whale landed at Dixcove in December 2007 is the first documented record in the Gulf of Guinea. [7] Status is unknown but, as elsewhere, pygmy killer whales are probably rare.
Articles relating to the Globicephalinae, 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.).
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.).
A mass stranding of around one hundred Melon-Headed whales (Peponocephala Electra) occurred in the Loza Lagoon system of Northwest Madagascar during the months of May and June in 2008. Of the original whales that entered the lagoon system, seventy five died from causes related to being out of their normal deep sea habitat.
The melon-headed whale is distributed worldwide in tropical and subtropical waters. [103] The rare sightings in the Gulf of Mexico have been in relatively deep waters at depths greater than 800 m. [104] Sightings are also rather rare in the rest of the Caribbean, East or West, and consequently little is known about its distribution. [105] [44 ...