Rinoctes is a monospecific genus of deepwater maine ray-finned fish belonging to the family Alepocephalidae, the slickheads. The only species in the genus is Rinoctes nasutus, the abyssal smooth-head, which is found at depths of 2,000 metres (6,600 ft) to 4,156 metres (13,635 ft) in the Atlantic Ocean, and possibly in the Indian and Pacific Oceans. It grows to a length of 19 centimetres (7.5 in) SL.

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