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.
Fishes live in water, breathe with gills, and have fins instead of legs. Most are covered with scales. Most fish in Missouri âlookâ like fish and could never be confused with anything else. True, lampreys and eels have snakelike bodies â but they also have fins and smooth, slimy skin, which snakes do not.