Create your website today. It was named after Sir James Hector (1834-1907), the curator of the Colonial Museum in … Overall, the Hector’s dolphin species is estimated to number fewer than 8,000, down from close to 30,000 in the early 1970s. The hectors dolphins have a stocky body, no discernible beak and a rounded dorsal fin. 1/6. Fishing with gillnets and trawl nets has killed them almost to the point of extinction. Hector's . This is less than 10% of the original population size. Unfortunately some dolphin species are considered endangered due to historical and current day factors that caused many dolphins to lose their lives.. Dolphins are an amazing species of marine mammals which belong to the cetacean family.. Hector’s Dolphins are Endangered due to deaths in fishing nets – gill nets and trawl nets. Dolphin. The Hector's Dolphin (Cephalorhynchus hectori) is a species of concern belonging in the species group "mammals" and found in the following area(s): New Zealand (North Is., South Is.). The World's Smallest Dolphin is Going Extinct. Lastly, we note that one of the commenters who requested an endangered listing for the SI Hector's dolphin equated the population structure of SI Hector's dolphins with “distinct population segments” (DPSs), which are included in the ESA definition of a “species” and are units of vertebrate populations that can be listed under the ESA. Commercial and recreational fishing is decimating Māui and Hector's dolphins because less than a fifth of their habitat is protected. This site was designed with the .com. Maui dolphin is Critically Endangered because there are only 55 Maui dolphins left in the world. The Hector’s dolphin species is divided into two sub-species: South Island Hector’s dolphin; Maui’s dolphin - found in the North Island. The females are slightly longer and heavier than males. Hector’s dolphin is listed as one of the Top 10 Most-Endangered Species of Cetaceans in the world at No. Hector's and Māui dolphins are the smallest and rarest marine dolphins on earth and New Zealand's only native dolphin species. The Hectors Dolphin is the smallest living sea dolphin, and one of the rarest oceanic species in the world.The Hector's Dolphin is between 1.2 and 1.6m long and weighs 40-60 kg. This species is also known by the following name(s): New Zealand Dolphin, White-headed Dolphin. 6, and is designated as EN (facing a very high risk of extinction in the wild). website builder. The entire cetacean species is made up of whales, dolphins and porpoises.. hey.