Piscivore
Introduction: The name piscivore is derived from the Latin word for fish, "piscis". This term refers to carnivorous animal which lives strictly on eating fish (e.g. aquatic Genet); Terns and cormorants are piscivorous birds. In regard to piscivorous fish, they could be divided according to the degree to which live fish contributes to their diet into:
Opportunistic piscivores: These are species that can predate on small fish when the opportunity rises. However, fish does not represent a major part of their diet in the wild. In captivity these fish can be raised on variety of food which could be devoid of live fish; angelfish, Asian killifish, spiny eels represent this group.
Facultative piscivores: These fish feed primarily on smaller
