Fish Animal Water

Fish return to the water surface for air at varying intervals. About worldfish worldfish is an international nonprofit research organization that harnesses the potential of fisheries and aquaculture to reduce hunger and poverty. Pirarucu arapaima gigas ancient air breathing giant fish of amazonian rivers and lakes.

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Water Surface And Movement Of Fish

Fish fish are found in every ocean lake river and stream in all corners of the globe in many sizes colours and speciesmost fish depending on size tend to eat plankton in the water insects and smaller fish.

Fish animal water. Usually a particular species will have a restricted temperature tolerance often 55 to 11 0c 10 to. One of the largest freshwater fishes in the world the pirarucu attains a length of nearly 3 metres 10 feet and a weight of 220 kg 485 pounds. The term fish most precisely describes any non tetrapod craniate ie. Your destination for news pictures facts and videos about fish.

Fish respire through gills in the sides of their heads allowing the fish to breath underwater. In the developing world more than one billion poor people obtain most of their animal protein from fish and 250 million depend on fishing and aquaculture for their livelihoods. An animal with a skull and in most cases a backbone that has gills throughout life and whose limbs if any are in the shape of finsunlike groupings such as birds or mammals fish are not a single clade but a paraphyletic collection of taxa including hagfishes lampreys sharks and rays ray finned fish coelacanths. Different species and groups have widely varying life cycles and behaviours.

The fish has a peculiar profile in that the front of the. Teleost fishes are adapted to widely varied habitats from cold arctic and antarctic oceans that remain colder than the freezing point of fresh water to desert hot springs that reach temperatures over 38 0c 100 0f.