The rabbit's long ears, which can be more than 10 cm (4 in) long, are probably an adaptation for detecting predators. They have large, powerful hind legs. The two front paws have 5 toes, the extra called the dewclaw.
However, Moorish idol larvae spend a long time drifting through the open ocean before they mature, so regional populations donât remain isolated enough to develop particular traits. Because of its beauty and its identity as a quintessential reef fish, the Moorish idol is a very popular fish in the aquarium trade.
Maldive fish is produced - where else - in the Maldive Islands which lie South West of Sri Lanka. It's known in the Maldives as hiki kandumas. It's made from skipjack tuna (Katsuwonus pelamis), which constitutes some 50-75% of the total catch in the seas of the Maldives.