知识卡片红绿灯鱼又叫红莲灯鱼、霓虹灯鱼、红灯鱼。红绿灯鱼从头部到尾部有一条明亮的蓝绿色带,在鱼体后半部还有一条红色带,腹部蓝白色,红色带和蓝色带贯穿全身,光彩夺目。它游动时,身体发出时红时绿的亮光,在不同的光线下或不同的环境中,色带的颜色时深时浅,犹如霓虹灯。 Knowledge card Traffic lights Fish, also known as red lotus, neon fish, red fish. The traffic lights have a bright blue-green band from head to tail. There is also a red band in the back of the fish, blue and white abdomen, and red and blue bands throughout the body. When it is swimming, the body emits red light when the green light, in different light or different environments, the color of the ribbon at the depth of the time shallow, like a neon light.