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Viperfish

Chauliodus (genus)

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The name "viperfish" is also sometimes applied to the lesser weever. A viperfish is any species of marine fish in the genus Chauliodus. Viperfish are characterized by long, needle-like teeth and hinged lower jaws. A typical viperfish grows to lengths of 30 to 60 cm (12 to 23.5 in). Viperfish stay near lower depths (250–5,000 feet [80–1,520 m]) in the daytime and shallower depths at night, primarily in tropical and temperate waters. Viperfish are believed to attack prey after luring them within range with light-producing organs called photophores, which are located along the ventral sides of its body, and with a discrete photophore at the end of a long spine in the dorsal fin reminiscent of the illicium of the unrelated deep-sea anglerfishes. The viperfish flashes this natural light on and…

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