It feeds primarily on benthic bony fishes and invertebrates, such as molluscs and crustaceans. Longfin mako sharks are predators that feed on small schooling bony fishes and cephalopods. They feed on small fishes and invertebrates. The Amazonian fish fauna is the centre of diversity for neotropical fishes. Young sharks feed on small fishes, shrimps, and crabs. This species preys on cephalopods, bony fishes, and smaller sharks. Carnivores are the most diverse of feeding types among coral reef fishes. Examples are found in some species of birds, fishes, and lizards. This class consists of all the cartilaginous fishes, including sharks and stingrays. Tetra is the common name of many small freshwater characiform fishes. Most species of lobe-finned fishes are extinct. These changes began attracting newer species of fishes and also reef formations. Most reef fishes have body shapes that are different from open water fishes. Cyclostomes were regarded as either degenerate cartilaginous fishes or primitive vertebrates. Most of the ornamental fishes eat mosquito larvae.