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Schooling also has disadvantages, such as excretion buildup in the breathing media and oxygen and food depletion. The way the fish array in the school probably gives energy saving advantages, though this is controversial. [5] Schools of forage fish often accompany large predator fish. Here a school of jacks accompany a great barracuda.
Small schooling fish are eaten by many types of predators, and for this reason they are called bait fish or forage fish. For example, sardines group together when they are threatened. This instinctual behaviour is a defence mechanism, as lone individuals are more likely to be eaten than an individual in a large group.
Unlike many other shoaling fish, the fusilier damsels will not single out and focus aggression on the weakest individual. The fussiler damselfish is a social animal and does best when kept with others of the same species. A fast swimming fish that will readily eat most any foods offered.
The banded rainbowfish itself is exemplary of these traits; a hardy and peaceful shoaling fish, they make easy additions to most peaceful community aquariums and can tolerate a wide range of water parameters. Like many other rainbowfish, this species should be kept in an aquarium with a lid as they are capable of jumping out. [5]
The common minnow is a small fish which reaches a maximum total length of 14 centimetres (5 + 1 ⁄ 2 in), but is normally around 7 centimetres (3 in) in length. It has 3 spines and 6–8 soft rays in its dorsal fin with 3 spines and 6–8 soft rays in its anal fin .
Arripis trutta is a streamlined fish with a long and slender body. There is a bony ridge edge of bone beneath and in front of each eye which has obvious serrations in smaller individuals. In larger fish the scales feel smooth. The lobes of the caudal fin are equivalent in length to the head. These fish are dark bluish-green dorsally and silvery ...
In its proposed rule, the FDA would require manufacturers to test a sample of each batch of a talc-containing cosmetic product for asbestos by using methods such as polarized light and ...
Hemigrammus erythrozonus, commonly known as the glowlight tetra, is a small tropical fish from the Essequibo River, Guyana, South America.It is silver in colour and a bright iridescent orange to red stripe extends from the snout to the base of its tail, the front of the dorsal fin being the same color as the stripe.