All the activities relating to the production of fish and other aquatic animals known as fisheries. Fishes are cold-blooded animals, that is their body temperature changes according to that of their surroundings in which they live. They breathe with the help of gills and swim with their fins. They feed on plankton. All fishes are vertebrates, that is, they have backbones and scales. They have steam-line body for swimming freely in water. fish may be viviparous, oviparous, and ovoviviparous in reproduction. Fishery is the area of specialization in agriculture that is concerned with the production of fishes as well as other aquatic animals. The rearing of fishes (fingerlings) or fryers…

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