Bristlemouth
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Natural History
Bristlemouths are well camouflaged. When deep sea animals look up toward the ocean's surface, they see other animals overhead as dark shapes against a lighter background. But by lighting two rows of photophores on its underside, this deep sea fish avoids casting its shadow on predators below––and can virtually disappear.
Cool Facts
Bristlemouths are the most abundant fishes in the world.