Hymenocephalus lethonemus

Hymenocephalus lethonemus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Gadiformes
Family:	Macrouridae
Subfamily:	Macrourinae
Genus:	Hymenocephalus
Species:	H. lethonemus
Binomial name
	Hymenocephalus lethonemus; Jordan & Gilbert, 1904

Hymenocephalus lethonemus is a species of rattail. It occurs at depths of up to 485 m (1591 ft) in the waters off southern Japan, the Philippines and northern Taiwan.[1]

This is a small, slender rattail with a total length of up to 14 cm (5.1 in). It has a fairly long, sharp snout, small eyes, a large mouth and no chin barbel. There is a long bioluminescent organ with two external lenses just in front of the anus.

References

Chiou, M.L.; Shao, K.T. & Iwamoto, T. (2004). "A new species, Caelorinchus sheni, and 19 new records of grenadiers (Pisces: Gadiformes: Macrouridae) from Taiwan" (PDF). Zoological Studies. 43 (1): 35–50. Archived from the original (PDF) on 2005-11-05.

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[Chiou2004-1] Chiou, M.L.; Shao, K.T. & Iwamoto, T. (2004). "A new species, Caelorinchus sheni, and 19 new records of grenadiers (Pisces: Gadiformes: Macrouridae) from Taiwan" (PDF). Zoological Studies. 43 (1): 35–50. Archived from the original (PDF) on 2005-11-05.