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Fish

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Tetrapods

A fish is any aquatic vertebrate animal that is typically ectothermic (or cold-blooded), covered with scales, and equipped with two sets of paired fins and several unpaired fins. Fish are abundant in the sea and in fresh water, with species being known from mountain streams (e.g., char and gudgeon) as well as in the deepest depths of the ocean (e.g., gulpers and anglerfish).

Food prepared from fish is also called fish, and it is an important food source for humans. They are harvested either from wild fisheries (see fishing) or farmed in much the same way as cattle or chickens (see aquaculture). They are also exploited by recreational fishers and fishkeepers, and are exhibited in public aquaria. Fish have had a role in many cultures through the ages, ranging from deities and religious symbols to the subjects of books and popular movies.

For more information about Fish, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.


News tagged with fish

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The creature was found at a depth of 161 metres

Japanese researchers film rare baby fish 'fossil'

Biology / Plants & Animals

created Nov 17, 2009 | popularity 4.7 / 5 (7) | comments 4

Japanese marine researchers said Tuesday they had found and successfully filmed a young coelacanth -- a rare type of fish known as "a living fossil" -- in deep water off Indonesia.


Why fish oils help and how they could help even more

Medicine & Health / Research

created Oct 28, 2009 | popularity 4.6 / 5 (27) | comments 9

New research from Queen Mary, University of London and Harvard Medical School has revealed precisely why taking fish oils can help with conditions like rheumatoid arthritis.


Fish vision discovery makes waves in natural selection

Fish vision discovery makes waves in natural selection

Biology / Evolution

created Oct 16, 2009 | popularity 5 / 5 (8) | comments 1

Emory University researchers have identified the first fish known to have switched from ultraviolet vision to violet vision, or the ability to see blue light. The discovery is also the first example of an ...


Girardinus falcatus

Symmetrical brains can be an advantage

Biology / Plants & Animals

created Oct 01, 2009 | popularity 4.4 / 5 (8) | comments 2 weblog

(PhysOrg.com) -- Many studies have found widespread asymmetry in the brains of different species, including humans, and most have assumed asymmetry is advantageous. A new paper, published in the Proceedings of ...


The robot uses a laser range finder and radio communications to recreate the behaviour of fish

Cars may one day mimic fish to avoid collisions

Technology / Hi Tech

created Oct 01, 2009 | popularity 4.9 / 5 (9) | comments 1

Engineers in Japan say they are a step closer to developing technology they hope will cut the risk of car crashes -- by mimicking the behaviour of fish.


Fish go mad for ginger gene

Fish go mad for ginger gene

Biology / Plants & Animals

created Sep 28, 2009 | popularity 5 / 5 (1) | comments 0

There may be plenty of fish in the sea but the medaka knows what it likes. A new study published in the open access journal BMC Biology shows how a single gene mutation that turns Japanese Killifish a drab ...


Half of the fish consumed globally is now raised on farms, study finds

Half of the fish consumed globally is now raised on farms, study finds

Biology / Ecology

created Sep 07, 2009 | popularity 4.7 / 5 (9) | comments 4

Aquaculture, once a fledgling industry, now accounts for 50 percent of the fish consumed globally, according to a new report by an international team of researchers. And while the industry is more efficient ...


Danish scientists find 'Lucky Luke' of the seas

Scientists find 'Lucky Luke' of the seas

Biology / Plants & Animals

created Sep 03, 2009 | popularity 5 / 5 (3) | comments 1

Could you filter 100,000 cubic metres of syrup every day to find food in a concentration of two grains of rice per cubic metre?


MSU researchers improve zebrafish cloning methods

Researchers improve zebrafish cloning methods

Biology / Biotechnology

created Aug 30, 2009 | popularity 4 / 5 (3) | comments 0

A team of Michigan State University researchers has developed a new, more efficient way of cloning zebra fish, a breakthrough that could have implications for human health research.


New robots mimic fish's swimming

New robots mimic fish's swimming (w/ Video)

Electronics / Robotics

created Aug 24, 2009 | popularity 4.5 / 5 (2) | comments 5

(PhysOrg.com) -- Borrowing from Mother Nature, a team of MIT researchers has built a school of swimming robo-fish that slip through the water just as gracefully as the real thing, if not quite as fast.


Yellow-bellied sea snake

Venomous sea snakes play heads or tails with their predators

Biology / Ecology

created Aug 06, 2009 | popularity 5 / 5 (5) | comments 0

In a deadly game of heads or tails venomous sea snakes in the Pacific and Indian Oceans deceive their predators into believing they have two heads, claims research published today in Marine Ecology.


Researchers find first-ever 'wanderlust gene' in tiny bony fish

Researchers find first-ever 'wanderlust gene' in tiny bony fish

Biology / Plants & Animals

created Aug 05, 2009 | popularity 5 / 5 (4) | comments 0

(PhysOrg.com) -- A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University ...


Did the North Atlantic fisheries collapse due to fisheries-induced evolution?

Biology / Ecology

created May 27, 2009 | popularity 5 / 5 (4) | comments 0

The Atlantic cod has, for many centuries, sustained major fisheries on both sides of the Atlantic. However, the North American fisheries have now largely collapsed. A new paper in the open-access, peer-reviewed journal PLoS ON ...


Unifying The Animate And The Inanimate Designs Of Nature

Unifying The Animate And The Inanimate Designs Of Nature

Biology / Evolution

created Apr 28, 2009 | popularity 3.9 / 5 (9) | comments 4

(PhysOrg.com) -- Living beings and inanimate phenomena may have more in common than previously thought.


Fish oil protects against diseases like Parkinson's, study

Medicine & Health / Health

created Apr 19, 2009 | popularity 4.7 / 5 (7) | comments 0

Dr. Nicolas Bazan, Director of the Neuroscience Center of Excellence, Boyd Professor, and Ernest C. and Yvette C. Villere Chair of Retinal Degenerative Diseases Research at LSU Health Sciences Center New Orleans, will present ...