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Fish

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.

This text uses material from Wikipedia and is available under the GNU Free Documentation License.


Researchers apply lessons of animal herd behavior to reduce alcohol-related traffic deaths

Maurizio Porfiri, an associate professor of mechanical engineering at the Polytechnic Institute of New York University (NYU-Poly), is best known for his work on biologically inspired robots that mimic the movement of schooling ...

Other created May 16, 2013 | popularity not rated yet | comments 0

Fish oil may stall effects of junk food on brain

Data from more than 180 research papers suggests fish oils could minimise the effects that junk food can have on the brain, a review by researchers at the University of Liverpool has shown.

Health created May 14, 2013 | popularity 5 / 5 (2) | comments 0

Study provides clarity on supplements for protection against blinding eye disease

Adding omega-3 fatty acids did not improve a combination of nutritional supplements commonly recommended for treating age-related macular degeneration (AMD), a major cause of vision loss among older Americans, ...

Ophthalmology created May 06, 2013 | popularity 3 / 5 (2) | comments 0 | with audio podcast

Animals in research: Zebrafish

Zebrafish are probably not the first creatures that come to mind when it comes to animals that are valuable for medical research.

Medical research created May 10, 2013 | popularity 5 / 5 (1) | comments 0

Study: Fish oil's work vs. heart attacks limited

Eating fish is good for your heart, but taking fish oil capsules does not help people at high risk of heart problems who are already taking medicines to prevent them, a large study in Italy found.

Cardiology created May 08, 2013 | popularity 4 / 5 (1) | comments 0

First steps of synapse building is captured in live zebra fish embryos

Using spinning disk microscopy on barely day-old zebra fish embryos, University of Oregon scientists have gained a new window on how synapse-building components move to worksites in the central nervous system.

Neuroscience created Apr 18, 2013 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Variety and convenience can help women boost their intake of fish

Women are often told to eat more red meat, yet Flinders University PhD candidate Lily Chan (pictured) says it is just as important for women to increase their weekly fish intake.

Health created May 06, 2013 | popularity 5 / 5 (1) | comments 0