It comes in the list of different types of freshwater fish. This fish can be kept in a large school – it tends to inhabit the top and middle levels of the water column. It means it is a pomegranate fish or ruby fish. This fish is a peaceful species but can sometimes get nervous around larger individuals. Flathead Grey Mullet: Scientific Name: The scientific name of flathead grey mullet is Mugil Cephalusi. Together this means that vast selections of fish school at some point or another, coming together to swim in synchronicity. Family and History: Click here now to buy Neon Tetras. Neon Tetras, shown above, a re schooling fish and they should always be kept in a group with at least 6 Neons. It prefers temperatures between 72 and 80 degrees and a pH of 5.5 to 7.0. 24. Synonyms: Scythe butterfly, scythe-marked butterfly fish, Chaetodon falcifer; Protopterus annectens African lungfish Notable: Lungfish belong to a prehistoric group of fishes that lived over 300 million years ago. Fish species that belong to the caudal or trunk swimmers can be subdivided into Anguilliform, Subcarangiform, Carangiform and Thunniform swimmers. White Cloud Mountain Minnow manages well in cold water and, therefore, kept in a pond in the yard in summer by pet lovers. Mackerel is a common name applied to a number of different species of pelagic fish, mostly from the family Scombridae.They are found in both temperate and tropical seas, mostly living along the coast or offshore in the oceanic environment. Fish swimming styles . Click here to read that we've changed our mind about the advice on this page! There is a transition from the eel (anguilliform), that moves the entire body, to the tuna (thunniform) that only moves the tail. You should keep a school of six to eight fish in a 10 gallon tank. When submerged, these fish must occasionally swim to the surface and gulp air or they will drown. Of all the species of fish in the world, one quarter of them shoal and/or school for their entire lives, while about one half participate in the action for limited periods. The fish prefers middle water layers, and it likes swimming in a school. In different types of fish in India, it will be one. Being a micro-predator, it feeds on worms, small insects, crustaceans and other varieties of zooplankton. Lifespan: Their lifespan is usually for nine years. They like small schools of minimum 6 species. Mackerel species typically have vertical stripes on their backs and deeply forked tails.