快乐小鱼的两栖生活

• 作 者: 严毅梅
• 出 处: 青少年科技博览
• 发表日期: 2017年08期
• 关键词: 岩潭 涨潮时 拉罗 伤痕累累 动物进化 令人 热带种 肉食性鱼类 狼鳚 南威尔士

看,鳚跑到陆地上啦库克群岛中有一个叫拉罗汤加的小岛,涨潮时,一群小鱼在岩边快乐地游泳。但是,随着退潮,它们做了一件令人惊讶的事情—离开水,跳跃着爬上陆地。它们的尾鳍强壮如腿,以至于可以在地上跳跃。另外,长长的背鳍也能帮助它们在地上跳跃。不过,它们仍用鳃呼吸。它们通常栖息于退潮后的海岸岩石下,那里有岩潭、沙滩、

See, 鳚 ran to land there Cook Islands there is a small island called Rarotonga, high tide, a group of small fish happy to swim on the rocks. But with the ebb, they did something amazing - leaving the water and jumping up the land. Their caudal fins are strong as legs so that they can jump on the ground. In addition, the long dorsal fin can help them to jump on the ground. However, they still use gills to breathe. They usually inhabit the ebb and coast rocks, where rock pools, beaches,