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鱼的血液在鱼类类系统有着特殊的功能,除供给组织器官以养料、氧气、清除体内代谢废物外,其内分泌激素也必须通过血液循环,以调节机体的正常生理活动;血液在抵抗疾病,修补损伤组织方面,也起着很重要的作用。 鱼类的血量相对较少,一般只占体重的2％左右,而哺乳类的血液约计7.5～8.0％。鱼类血液比重也低于哺乳类,鱼类和哺乳类的血液比重分别为1.035和1.053。
Fish’s blood has special functions in the fish system. In addition to supplying tissues and organs to nourish and oxygenate the body’s metabolic waste, its endocrine hormones must also pass through the blood circulation to regulate the normal physiological activities of the body. In the fight against diseases, It also plays an important role in repairing damaged tissue. The relatively small amount of fish blood, usually only about 2% of body weight, and mammals about 7.5 ~ 8.0% of the blood. The blood specific gravity of fish is also lower than that of mammals, and the specific gravity of fish and mammals is 1.035 and 1.053, respectively.