Fish

: This page is about the animals. For other meanings, please see Fish (disambiguation).

Fish ecology

Fish can be found in almost all large bodies of water in either salt, brackish or fresh water, at depths ranging from just below the surface to several thousand meters. However, hyper-saline lakes like the Great Salt Lake do not support fishes. Some species of fish have been specially bred to be kept and displayed in an aquarium, and can survive in the home environment.

Related Topics:
Brackish - Fresh water - Great Salt Lake - Aquarium

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Catching fish for the purpose of food or sport is known as fishing. The annual yield from all fisheries worldwide is about 100 million tonnes. Overfishing is a threat to many species of fish. On May 15 2003, the journal Nature reported that all large oceanic fish species worldwide had been so systematically over caught that fewer than 10% of 1950 levels remained. http://www.globeandmail.com/servlet/story/RTGAM.20030514.wfish1405/BNStory/National/ Particularly imperiled were sharks, Atlantic cod, Bluefin tuna, and Pacific sardines. The authors recommended immediate, drastic cutbacks in fish catches and reservation of ocean habitats worldwide.

Related Topics:
Food - Sport - Fishing - Yield - Fisheries - Million - Tonne - Overfishing - May 15 - 2003 - Nature - Ocean - Shark - Cod - Bluefin tuna - Sardine - Habitats

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