Rhinogobio typus belongs to the order Cypriniformes, family Cyprinidae, subfamily Rhinogobio, and genus Rhinogobio typus. Commonly known as: Ma Gan, Qiuzi, long-nosed poplar fish.
The body is slender, with the front section cylindrical, the rear section slender and slightly flattened, and the abdomen slightly flat. The head is pointed and tapered, and its length is longer than the body height; the tip of the snout is long and protrudes forward significantly. The lower part of the mouth is in the shape of a horseshoe. The lips are thick, without papillae, and the posterior labial groove is interrupted and widely spaced. The corners of the mouth must be one pair, thick and short, and the length is equal to or slightly longer than the eye diameter. Big eyes. The dorsal fin has no hard spines, and its starting point is closer to the tip of the snout than to the base of the caudal fin. The lateral lines are straight. The scales on the chest are extremely small and are usually buried under the skin. The back is blue-gray, the belly is white, the dorsal fin and tail fin are gray-black, and the other fins are gray-white.
It inhabits shallow rivers and river beds with sediment or gravel as the bottom. It is relatively rare in lakes and is a bottom-living fish. It mainly feeds on benthic invertebrates, such as chironomid larvae, aquatic insects, etc. It also eats a small amount of algae and other sedimented organic matter. The reproductive period is in late April or early May, and the growth rate is relatively slow. The body length of 2-winter-age fish is about 21 cm and the weight is 164 grams; the body length of 3-winter-age fish is 29-31 cm and the weight is 273-323 grams; the maximum individual length can be 44 cm and the weight is about 500 grams.
The snorkel is distributed in the middle and upper reaches of the Yangtze River and the Minjiang River system.
It grows slowly and is small in size, but it is widely distributed and often lives together with similar fish. The natural yield is large and the individual is fat. It is a common small and medium-sized edible fish.
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