Graceful grenadier

Graceful grenadier

Taxobox
name = Graceful grenadier


image_width = 240px
regnum = Animalia
phylum = Chordata
classis = Actinopterygii
ordo = Gadiformes
familia = Macrouridae
genus = "Hymenocephalus"
species = "H. gracilis"
binomial = "Hymenocephalus gracilis"
binomial_authority = Gilbert & Hubbs, 1920
The graceful grenadier ("Hymenocephalus gracilis") is a species of rattail. It is found at depths of up to 345 m in tropical and subtropical seas worldwide.

This is one of the smallest of the rattails, growing to no more than 13 cm in length. It is a slender fish with a large mouth, with rows of tiny teeth, positioned in the underside of the head. There is a short, thin chin barbel. It is more strikingly marked than most rattails, with bold black streaks on the head and black and silver barring over most of the body. There is a long bioluminescent organ with two lenses underneath the rear end of the body.

References

* [http://www.sinica.edu.tw/zool/zoolstud/43.1/35.pdf A new species, "Caelorinchus sheni", and 19 new records of grenadiers (Pisces: Gadiformes: Macrouridae) from Taiwan - CHIOU Mei-Luen ; SHAO Kwang-Tsao ; IWAMOTO Tomio]


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