河蟹的学名称“中华绒螯蟹”。它属洄游动物,成年蟹在秋冬之间即顺江河而下返回海洋交配,至第二年春季产卵孵化,5月长成大眼幼体,即逆江河而上,进入淡水中生长,至第2年11月成熟时又返回海洋。从大眼幼体长至成年蟹要脱壳25次,需530—540天。一、河蟹的习性与食性:河蟹是节肢动物,生活在水中,喜钻洞穴居,怕阳光,喜隐蔽、日夜觅食,喜食新鲜动物肉和内脏,如小杂鱼、虾子、蚯蚓、蛙、贝类的肉、猪、牛、羊的血,也食玉米、豆 Crab’s scientific name “Eriocheir sinensis.” It is a migratory animal, adult crabs fall and fall between the river that goes back to the ocean mate, the next spring ovipositing hatch, May grow into big eye larvae, that is, against the rivers, into freshwater growth, to 2 years back to the sea when mature in November. From large-eyed larvae to adult crabs shelling 25 times, 530-540 days. First, the habits and feeding habits of crabs: crabs are arthropods, living in the water, like drilled cave home, afraid of sunshine, hi concealment, day and night foraging, eating fresh animal meat and offal, such as small trash fish, shrimp, earthworms, frogs , Shellfish meat, pigs, cattle, sheep’s blood, but also eat corn, beans