Grisly find a reminder of the problem of illegal fish traps

Murdoch University researchers from the Harry Butler Institute recently made a heart-breaking discovery in a wetland in Perth's northern suburbs with five mature Southwestern Snake-necked Turtles found dead in illegal traps.

Fishing selects small, shy fish for survival

Fishing primarily removes larger and more active fish from populations. It thus acts as a selection factor that favors shy fish, as a recent study by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) ...

Antidepressants pose risk for the survival of fish

Fish populations around the world are at risk due to growing levels of pharmaceutical contamination in waterways, according to an international team of researchers from Monash University, the University of Western Australia ...

Sawfish face global extinction unless overfishing is curbed

Sawfish have disappeared from half of the world's coastal waters and the distinctive shark-like rays face complete extinction due to overfishing, according to a new study by Simon Fraser University researchers, published ...

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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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