淡水养殖新品种———美国大口燕脂鱼美国大口燕脂鱼的体形似鲫，故有的地方又称它为美国鲫鱼，它体大如草鱼，其肉质却优于草草，以摄食浮游动物为主，兼食底栖动物。人工养殖可食各类商品饲料及人工配合饲料。它是一种广温性鱼类，适温范围２～３７℃，最适温度１８～３... New breed of freshwater aquaculture --- American bigmouth swallow grease American big mouth swallow grease body shape like crucian carp, so some places also called it American crucian carp, its body like grass carp, its flesh quality is superior to grass, in order to feed zooplankton Mainly, and benthic animals. Artificial breeding edible various types of feed and artificial feed. It is a kind of broad temperature fish, suitable temperature range 2 ~ 37 ℃, the optimum temperature is 18 ~ 3 ...