在这个直升机亚科(Loricariinae)中,所有的成员都拥有着近乎扁平的身形和一节节保护身体的骨甲环绕着身体。直升机类和其他异型类一样有着发达的肠胃,其长度几乎等同于身体总长的三倍以上,这样长的肠道呈螺旋状盘在腹腔内。当一些腹部无骨甲保护的品种趴在缸壁上时,我们很容易看到那一圈圈的黑色肠道,而腹部有骨甲的品种则看不到这内在 In this helicopter, Loricariinae, all members have a nearly flat figure and a section of body armor around the body. Helicopters, like other anomalies, have well-developed stomachs that are almost three times as long as the total length of the body, with long intestines spiraling into the abdominal cavity. While some breeds without osteoporosis are lying on the cylinder walls, it is easy to see the black intestine in that circle, while the breed with osteoporosis in the abdomen does not see this inside