Whirlpools of small, metallic blue fish; barracuda, gliding like silver submarines; occasionally, a lone predatory shark.

• 一群群泛着金属光泽的蓝色小鱼；梭鱼，像银色潜水艇一样滑行；偶尔，也有一只孤独的捕食鲨鱼。