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[1] [a] Although shoaling fish can relate to each other in a loose way, with each fish swimming and foraging somewhat independently, they are nonetheless aware of the other members of the group as shown by the way they adjust behaviour such as swimming, so as to remain close to the other fish in the group. Shoaling groups can include fish of ...
A school of bluefin trevally working a school of anchovies which may compact into a spherical bait ball if they are sufficiently threatened. A bait ball, or baitball, occurs when small fish swarm in a tightly packed spherical formation about a common centre. [1]
Garra barreimiae is a small, slender fish, somewhat flattened on the underside. It grows to a length of about 7–8 cm (2.8–3.1 in). [3] [4] The head is wedge-shaped and has a suction plate on the lower jaw and a blunt snout. This fish is a fairly dark colour and is speckled; it has a paler transverse band just behind the head.
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.
They are a somewhat aggressive fish, and may bully other fish in community tanks. Giant danios appreciate water movement to simulate the motion of the rivers and fast-moving streams of their origins, and prefer to school. Giant danios are also used as dither fish in South and Central American cichlid aquariums. The larger cichlids chase and ...
The elusive fish, found in only south-eastern Australia, moves along the riverbed using pectoral fins that look like hands. Photographer captures image of rare fish that walks on its ‘hands ...
Characiformes / ˈ k æ r ə s ɪ f ɔːr m iː z / is an order of ray-finned fish, comprising the characins and their allies. Grouped in 18 recognized families, more than 2000 different species are described, including the well-known piranha and tetras. [1]
Although it is a small fish, the White Cloud Mountain minnow is sometimes used as a pond fish, especially in ponds intended for frogs to breed. Adult White Cloud Mountain minnows will sometimes eat frog eggs as the tadpoles begin to move about or wait for them to hatch. Once tadpoles are a couple of days old they are out of danger.