Genus Hymenocephalus

 
 

Graceful grenadier - This is one of the smallest of the rattails, growing to no more than 13 cm in length.

 
 

Hymenocephalus lethonemus - This is a small, slender rattail with a total length of up to 14 cm.

Order : Gadiformes
Family : Macrouridae
Genus : Hymenocephalus