Hymenocephalus lethonemus
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Hymenocephalus lethonemus |
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Hymenocephalus lethonemus Jordan & Gilbert, 1904 |
Hymenocephalus lethonemus is a species of rattail. It occurs at depths of up to 485 m in the waters off southern Japan, the Philippines and northern Taiwan.
This is a small, slender rattail with a total length of up to 14 cm. 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.