Animals World Marine (Saltwater, Ocean or Sea) Fish are generally tropical and colorful. So some People who like fish aquarium tanks choose marine fish species. We listed all .\rbr\rbrDiscus fish are very interesting and beautiful fish for aquarium tanks. They are very colorful and incradible fish. We find all species of discus fish photos and .\rbr\rbrEverybody who love fish want a big and most beautiful aquarium tank. Somebody like saltwater fish. Because there are a lot of fish breeds which are colorful.\rbr\rbrA look at the Queen Angel: a colorful saltwater fish commonly kept in home aquariums. Video captures the Queen Angel in a holding tank at our retail store and .