Black carp (procypris merus) Is Cypriniformes, carp, carp subfamily, genus carp. Commonly known as: black carp, carp ink, black carp, black hook and black carp. English name: chinese ink carp. Endangerment: Vulnerable.
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Shape characteristics
Side flat, growing diamond, back bulge is very high, flat belly. Head small, long kiss, kiss grew up behind the eye longer than or equal to. Mouth terminal, was half-moon; lip very thick, the surface has many obvious and tiny papillae. Shall be two pairs of longer, coarse jaw subject than the kiss to be long. Lateral line slightly recurved, lateral line scales 41-45, dorsal and anal fins are a strong spines, the trailing edge jagged. Concave outer edge of the dorsal fin, the base length, 16-18 branched rays. Pectoral longer ends meet or exceed the pelvic fin origin. Dark black head and body back, abdomen silvery; front of each scale has a black spot, obviously linked to side vertical lines; each fin is dark.
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Living habits
Black carp to the middle and lower river fish habitat in the deep water and more sediment to the water of the rock, slow flow rate can also live in the bottom of the water body. There are short-distance migratory habits, the winter spawning Sujiang upstream to downstream flood swimming. Miscellaneous eating habits, often with the mouth to the bottom surface of the rock taking benthic flora and fauna, with a small snail, mussels, clams, class-based, but also eat small amounts of aquatic insect larvae, worms and algae in water. Because sucking is a way of feeding the fish, so often can not help but be a small amount of sediment into the intestine in Asia. It normally takes more than two starting age of sexual maturity, spawning season is from November to January the following year; eggs in batches, yellow, sinking, and a certain stickiness; spawning grounds and more in fast-flowing, mostly with algae beach stone edge, at the end of the beach.
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Geographical distribution
Black carp distributed in the tributaries of Xijiang River in Guangxi territory of the finest eating fish is common. Common market by more than 0.5-1.0 kg weight of the individual, the individual can grow to a maximum weight of 7 kg. Yield is not high, but its body thick, delicious meat, it is regarded as the finest economic fish. Since the species are migrating habits, and river tributaries were built dam gates, hindering the migratory river, affecting its life and reproduction; while industrial pollution emissions, resulting in deterioration of water quality; combined with overfishing and other factors, it decreased the amount of resources , has become vulnerable species.