How many species of fish live in the Great Barrier Reef?
According to the Great Barrier Reef Marine Park Authority, there
are about 1625 species of fish that live in and around the Great
Barrier Reef, not including the shark species. Of these, 1400 are
coral reef species.
In addition, there are over 3000 species of molluscs, 630
species of echinoderm such as starfish and sea urchins, 14 known
species of sea snakes, 30 species of whales and dolphins, dugongs
and 133 species of sharks and rays.