A lone barracuda insinuates itself into a school of bluetail unicornfish. These fish congregate by the hundreds, following current sat the edge of reef drop-offs.

• 一条孤单的梭子鱼巴结着一群蓝尾独角鱼，这些鱼几百条的聚集在一起，随着水流在碎落的暗礁边缘徘徊。