Pseudocetonurus septifer

Taxobox
name = "Pseudocetonurus septifer"


image_width = 250px
regnum = Animalia
phylum = Chordata
classis = Actinopterygii
ordo = Gadiformes
familia = Macrouridae
genus = "Pseudocetonurus"
genus_authority = Sazonov & Shcherbachev, 1982
species = "P. septifer"
binomial = "Pseudocetonurus septifer"
binomial_authority = Sazonov & Shcherbachev, 1982

"Pseudocetonurus septifer" is a species of rattail, the only known species in the genus "Pseudocetonurus". This fish is found at depths of up to 950 m in the waters around Hawaii and in the south-eastern Pacific. It has recently also been recorded on the other side of the Pacific, near Taiwan, and this species probably has a pan-Pacific distribution but has been underrecorded due to the depths in which it lives.

This species attains a length of up to 39 cm. It is unique among rattails in having 7 branchiostegal rays and a large gill opening. This is a generally very dark, sometimes black, fish with a very large head and small, widely spaced eyes. There is a small bioluminescent organ located between the pelvic fins.

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]