Deep-sea dragonfish
Depth: 1,000 m · Midnight Zone
The deep-sea dragonfish lives in the dark midwater and carries a tiny light on a chin barbel to lure prey. Its mouth is full of long, glass-clear teeth that let almost no morsel escape. Some dragonfish can even see red light, which almost no other deep-sea animal can detect.
For scientists
Deep-sea dragonfish (Stomiidae) carry a light organ (photophore) on a chin barbel plus rows of photophores along the body, producing their light by bioluminescence. A few genera (such as Malacosteus) also make red light and can see it, a rare advantage in the deep sea because almost all prey perceive only blue light. Transparent teeth and a highly distensible jaw let them swallow large prey.
Source: Wikipedia
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