【White turtle】Commonly known as white beetle, roundhead fish, multi-scaled fish, belongs to the cyprinid order, carp family, carp subfamily, white turtle genus, mainly distributed in the main stream and tributaries of the Yangtze River system, with semi-migratory habits, belongs to the benthic fish living in the river basin, living in the rapids, the bottom of the boulder section, scraping algae, mainly diatoms, green algae, as one of the important economic fish in the production area.
Morphological characteristics
Slightly flattened on the sides, slightly raised back, rounded abdomen. The head is short, the snout is blunt, the mouth is lower, it is transversely lobed, and the corners of the mouth extend to the lateral edge of the ventral surface of the head. The lower jaw edge has sharp horns; there are 2 pairs of whiskers, the upper jaw must be extremely small, and the corners of the mouth must be very short. The dorsal fin has no hard spines and is slightly concave on the outer margin. The thoracic scales are small and buried under the skin. The back of the body is dark brown and the abdomen is grayish white. The base of each scale on the side of the body has crescent-shaped black spots, the dorsal and caudal fins are gray-black, the other fins are grayish yellow, the outer edge is golden yellow, and the dorsal and fins have an orange-red marking.
Scaly white turtle, stream elf
Characteristics of life
Most of the white turtles inhabit the sections of the river with more turbulent water flow and gravel bottom, and prefer to swim at the bottom of the water. Every year, groups of people tracing the upper reaches of the river around the rain festival, going down the water around autumn, and wintering in the rocky piles in the deep water of the main stream of the river in winter. It is common to use sharp jaws to shovel up raw algae on rocks, and to eat small amounts of fragments of mosquito larvae, oligochaetes and higher plants.
delicacies
The fish is tender, delicious and nutritious, and is quite popular with consumers. White turtle muscle is rich in mineral elements, of which calcium and phosphorus content is relatively high, copper, iron and zinc ratio is also more reasonable.