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.
Where Did Betta Fish Come From? Also known as âSiamese Fighting Fishâ, the bettaâs origins date back hundreds of years to the Mekong basin of Laos, Thailand (formally Siam), Cambodia, Malaysia, Indonesia, Vietnam and parts of China. Bettas could be found living in shallow ponds, rice paddies, and moving streams containing water at or above 80 degrees.