Small creatures consort with great ones, as does this inch-long (2.5-centimeter-long) translucent goby that lives and feeds on the mantle of a giant clam.

• 小生物和大生物相互依赖生存，正如这条2.；5厘米长的透明虾虎鱼栖息于一个巨蛤的薄膜上并吃掉它的寄生物。