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.
Blackmoor Species Care Guide. The Black Moor is known for itâs telescoping eyes. The largeness of these eyes are really an eye catcher when taking a glance at this goldfish species. In and around countries of Asia, they call this goldfish the âdragon eyeâ goldfish. With the Black Moorâs natural obscene physical traits, it makes for one of the most popular goldfish species for aquariums.