HECTOR’S DOLPHIN Some things about the Hector’s dolphins
What they eat and what eats them. • They eat fish like mullet, crab and other sea creatures. • Orca Whales eat Hector’s Dolphins. • All Dolphins are Carnivores that means they only eat meat e.g squid, crab and all of the above.
About their species. • Hector's dolphins are members of the family 'delphinidae' And they Are not fish they are mammals like us-there are about 32 species of dolphins found throughout the world. • The Hector’s Dolphin is only 1.4 metres long fully grown. And is one of the smallest cetaceans • There is 8000 Hector’s Dolphins left in the world. In 1970 there was 29,000. • They are the most rarest of all the Dolphins. • IUCN have the hector’s dolphins as a project • IUCN stands for International union for conservation of nature.
Problem-How can we help them. Their decline in numbers was caused by being caught and drowned in gillnets. • This problem can be solved simply and effectively by ensuring that only selective fishing methods are used in areas where Hector’s dolphins are found. In particular no gillnets should be left in water less then 100m deep.
Interesting facts. • Hector’s dolphin was named after Sir James Hector (1834–1907) • Hector's dolphins are known to live to a maximum of 20 years • Traditionally, Māori watched dolphin movements to predict the weather • They do not migrate • They only stay in NZ in waters like south and north ect.
What they look like/what special features they have to help them. • They are the only dolphins in New Zealand with a well rounded black dorsal fin. • Like other dolphins Hector’s Dolphins use echo-location. • They are also warm blooded so they don’t get as cold. • They have heaps of special things to help them like all of the above even though they are the rarest type of Dolphins.
Where this animal is found • The Hector’s Dolphin is only found in NZ waters. • The North island and South island Hector’s Dolphins are separate subspecies. • And they are only found in inshore waters.