This is a lizardfish (Synodus sp.) that has just caught a butterflyfish (Chaetodon sp.). Lizardfish are ambush predators. They lie in wait on the bottom, often perched at a slight angle, such that the fish looks up into the water column. When potential prey passes overhead, the lizardfish darts up in the blink of an eye to grab its meal. While some fish do get away, the many sharp, backward-pointing teeth in a lizardfish’s mouth make escape difficult.
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