Health

Danish children love fish, but eat it all too rarely

Danish children eat less than a third of the recommended amount of fish. A new study by researchers at the University of Copenhagen reports that this isn't because kids don't like fish—in fact, they're wild about it. Therefore, ...

Cardiology

Omega-3 supplements could elevate risk of atrial fibrillation

Atrial fibrillation is the most common type of abnormal heart rhythm, causing the heart to contract irregularly and, sometimes, too quickly. It is estimated to affect 33 million people worldwide and can lead to blood clots, ...

Diseases, Conditions, Syndromes

Emerging invasive disease linked to raw freshwater fish

Experts from the University of Stirling have contributed to a new report from the UN Food and Agriculture Organization of the United Nations (FAO), warning of an emerging foodborne hazard in Southeast Asia.

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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.

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