Heavidise's Dolphin Pictures

 
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Heaviside's Dolphin Photos Showing this Small Short-beaked Dolphin

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Heaviside's dolphins, Cephalorhynchus heavisidii, are a small, short-beaked dolphin found only off the southwest coast of Africa (Namibia & South Africa). They are notable for their small size and distinctive markings, and for the fact that their name should be Haviside's, not Heaviside's, for the British East India Company captain who brought the first specimen to England in 1827.

Heaviside's dolphins are about 1.7 meters (5 ft 7 in) long and have no pronounced beak, but instead have a somewhat porpoise-like head. Their body shape is stocky rather than sleek, and they have blunt oar-shaped flippers. Their markings are distinctive, with a gray head, a blue-black back, tail, and pectoral fins, and a white pattern on their belly and sides that features a white "speed-stripe" pointing towards their tail. The also have a black stripe on their back going from the blowhole to the dorsal fin. Some color variations occur, and albino specimens have been observed.

Heaviside's dolphins are seen alone or in pods of 2-10 individuals. They are shy, but have been known to bowride the waves of vessels. They sometimes perform acrobatic leaps and flips, and re-enter the water without noise or splash. They eat all kinds of fish, octopus and squid.

There is no reliable estimate of the population of this species and the IUCN Red List lists it as Data Deficient. There is no evidence of imminent threat to this species, but they have a restricted range and are sometimes caught in fishing nets and are known to be illegally hunted.

According to Wikipedia, the name Heaviside's dolphin came about because early descriptions of the species used the name Heaviside's in the mistaken belief that the then well-known UK surgeon and scientific collector, Captain Heaviside, was its discoverer. The spelling with an 'e' caught on, and Haviside's name drifted into near-oblivion. "Heavysides" and "Heavyside's" are common misspellings.

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Picture of a Heaviside's dolphin backflip Picture of a Heaviside's dolphin Picture of a Heaviside's dolphin Picture of a Heaviside's dolphin

Picture of a Heaviside's dolphin, Cephalorhynchus heavisidii, back flip, Britannia Bay, South Africa

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Stock photo of a Heaviside's dolphin, Cephalorhynchus heavisidii, Britannia Bay, South Africa

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Image of a Heaviside's dolphin, Cephalorhynchus heavisidii, Britannia Bay, South Africa

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Photo of a Heaviside's dolphin, Cephalorhynchus heavisidii, Britannia Bay, South Africa

Picture #: 001858

Picture of a Heaviside's dolphin Picture of a Heaviside's dolphin illustration    

Picture of a Heaviside's dolphin, Cephalorhynchus heavisidii, Britannia Bay, South Africa

Picture #: 010637

Stock photo of a Heaviside's dolphin, Cephalorhynchus heavisidii, illustration

Picture #: 010633

 

 

 

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