Dolphins are marine mammals that are closely related to whales and
porpoises. There are almost forty species of dolphin
- They vary in size from 1.2 metres (4 ft) and
40 kilograms (88 lb) (Maui's Dolphin), up to 9.5 m (30 ft) and ten
tonnes (the Orca or Killer Whale).
- They are found worldwide, mostly in the
shallower seas of the continental shelves
- They are carnivores, mostly eating fish and
- Dolphins are considered to be amongst the most
intelligent of animals and their often friendly appearance and seemingly
playful attitude have made them popular with humans.
- marine mammals:
- continental shelves:
- squid :