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Cleaning symbiosis is known from several groups of animals both in the sea and on land (see table). Cleaners include fish, shrimps and birds; clients include a much wider range of fish, marine reptiles including turtles and iguanas, octopus, whales, and terrestrial mammals. [7]
A cleaning station is a location where aquatic life congregate to be cleaned by smaller beings. Such stations exist in both freshwater and marine environments, and are used by animals including fish, sea turtles and hippos.
Fish stocking is the practice of releasing fish that are artificially raised in a hatchery into a natural body of water (river, lake, or ocean), to supplement existing wild populations or to create a new population where previously none exists.
Self-cleaning can sometimes be achieved if the fish stocks density is sufficiently high and the water level is sufficiently low. For example, if trout are stocked at 20 kilograms per cubic metre, they can keep the raceway unit clean by their swimming movements, preventing waste solids from settling to the raceway floor.
It is a transitional or aspirational template, since many of the necessary articles haven't been written yet. But it is key template for the Fisheries project. I've written the upper level articles for wild, pelagic, forage and demersal fish, as well species group articles for cod and crab fisheries and salmon farming. And other editors have ...
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To change this template's initial visibility, the |state= parameter may be used: {{ School of Fish | state = collapsed }} will show the template collapsed, i.e. hidden apart from its title bar. {{ School of Fish | state = expanded }} will show the template expanded, i.e. fully visible.
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