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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 ...
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.
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Atlantic herring can school in immense numbers. Radakov estimated herring schools in the North Atlantic can occupy up to 4.8 cubic kilometres with fish densities between 0.5 and 1.0 fish/cubic metre, equivalent to several million fish in one school. [7] Herring are amongst the most spectacular schoolers ("obligate schoolers" under older ...
Jason Burkhart, principal of Kenneth Cooper Middle School in Oklahoma City, shared a video with KWTV after finding approximately 50 fish that fell from the sky onto the school’s playground and roof.
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 ...
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 ...