Saurogobio dabryi (Saurogobio dabryi) belongs to the order Cypriniformes, family Cyprinidae, subfamily Saurogobio, and genus Saurogobio. Commonly known as: boat nails, poplar fish, boat nails, coffin nails, sand cones. English name: Longnose gudgeon.
The body is elongated, slightly cylindrical, the back is slightly raised, the abdomen is slightly flat, and the tail stalk is slightly flattened laterally. The head is longer than the body height. The muzzle is prominent and concave in front of the nostrils. Lower mouth, horseshoe shape. The lips are well developed, with significant papillae, and the posterior edge of the lower lip is free. The upper and lower labial grooves are connected, and the upper labial groove is deeper. There must be one pair of mouth corners, the length of which is smaller than the eye diameter. The eyes are larger. The dorsal fin has no spines. The lateral lines are complete and straight. The back of the body and the upper half of the sides are bluish gray, and the abdomen is grayish white. There is a light black longitudinal band on the side of the body with 13-14 inconspicuous black spots. 4-5 dark spots are vaguely visible on the midline of the back. The edges of the pectoral fins, pelvic fins and gill covers are yellow; the dorsal fins, anal fins and tail fins are grayish white.
The snakehead is a small fish in the middle and lower layers that inhabits rivers and lakes. It likes to live on the sandy bottom of slow water. They generally enter large lakes for fattening in the summer and mainly feed on aquatic insects or copepods, but also eat a small amount of aquatic plants or algae. Female fish generally reach sexual maturity when their body length is 10.6 cm. Their reproductive season is from April to June, and they lay small floating eggs in rivers.
It is widely distributed and can be found in all water systems from Heilongjiang to the south to the Pearl River. In East Asia, it is also found in Russia, North Korea and northern Vietnam.
The individuals are not large, with the largest individual only reaching 24 cm, and generally around 10 cm. However, they are large in number, have a fat body, have a delicious taste, and have certain economic value.
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