Flap knot fish (tor (folifer) brevifilis) is Cypriniformes, Cyprinidae, Barbinae, knot fish species, fish flap knot subgenus. Commonly known as: Hastelloy, re-port, December giant.
Slender, flat side, thin caudal peduncle, round belly. Head long, pointed snout, projecting forward, the surface of the skin with small white beads stellate projections, the leading edge of the front there is a deep orbital bone cracks and nicks. Mouth large, the next bit, horseshoe-shaped, telescopic front maxilla can freely kiss bag cover outside the maxillary. On the lower lip is thick and slightly roll up, there are grooves into the middle of the upper lip and side lobe, lower lip of three leaves, there is a narrow central mid spat back almost vertical line. Required two pairs kiss shall small, inconspicuous, jaw slightly longer required, eye diameter about half long. Medium scales large and small scales chest, lateral line scales 45-46. Coarsely shaped dorsal fin spines, serrated trailing edge, the outer edge of the fin concave. Schungite or blue black body back, white belly, side of the base of most scales crescent spots. Dorsal, caudal dark, gray fins each other. Juvenile side has a longitudinal black stripes, especially in the latter half of the more obvious.
Petal knot fish living in clear water in the middle and lower fish body is streamlined, pointed head, fins and health is one of the good fish swimming. It is often crossing between underwater rocks, with a retractable large flared port to the river bottom and the stone surface taking to benthic mollusks, aquatic insects and their larvae. Debris and filamentous algae for food. Average age 3 winter fish reach sexual maturity begin spawning period is estimated at between June-July, mature broodstock requirements for breeding conditions in the rapids.
Petal knot fish widely distributed, and tributaries of the upper Yangtze River, Yuanjiang, Qingjiang River, Pearl River, Minjiang River, Lancang River, Yuanjiang River and other waters are produced in Hainan this fish, especially in the upper reaches of the Yangtze River, most productive, as a producing areas common food fish. Growth rate in general, a winter age 19-19.5 cm long fish; 2 Winter age body length 27.6 cm; 3 winter age 33.8-34.6 cm long fish; 4 winter age body length 36 cm. Common individuals 0.5-1 kg, the maximum long to 3 kg or more. Be domesticated breeding methods in the reservoir is currently being explored. |