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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.
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.
Federal authorities said the second critically endangered North Atlantic right whale found dead in the last month showed injuries consistent with a collision with a ship. The National Oceanic and ...
A rare whale found dead off Massachusetts shows potential evidence of injury from entanglement in fishing gear, which is one of the most pressing threats to the vanishing species, federal ...
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 ...
Hvaldimir, a white beluga whale that was rumored to be a Russian spy, has been found dead in waters off Norway.
Like most toothed whales, the beluga has a compartment found at the centre of the forehead that contains an organ used for echolocation called a melon, which contains fatty tissue. [45] The shape of the beluga's head is unlike that of any other cetacean, as the melon is extremely bulbous, lobed and visible as a large frontal prominence. [ 45 ]