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.
Betta Fish, or Siamese Fighting fish. are found mainly in the southern parts of South-East Asia, and are especially abundant in Vietnam, Thailandand Cambodia, where they thrive in in reedy ponds, slow moving creeks and rivers.ettas are members of the gourami family (Osphronemidae) of the order Perciformes, although they were formerly classified among the Anabantidae. There are nearly 50 other members of the Betta genus, but Betta splendens is the species we focus on as aquarists.