Photonectes achirus Regan & Trewavas 1930


Summary:
A dragonfish with blue luminous tissue in a band running from the pectoral-fin region to the pelvic fins, short transverse luminous streaks between the OV photophores, and in luminous patches on the sides of isthmus, under lower jaw and above end of the maxillary. The species also has very long gill filaments that extend beyond the gill opening, a barbel that is shorter than head length with a small bulb ending in a terminal appendage with a tiny bulb at the tip. 

Cite this page as:
Dianne J. Bray, Photonectes achirus in Fishes of Australia, accessed 08 Dec 2022, https://fishesofaustralia.net.au/Home/species/5192

Photonectes achirus Regan & Trewavas 1930

More Info


Distribution

Recorded in Australia from the Tasman Sea off Sydney, New South Wales. Elsewhere, the species occurs in the western Atlantic and Caribbean, north Pacific near Hawaii and the western-central Pacific Ocean in the vicinity of Howland and Baker islands.

Features

Dorsal fin 14-16; Anal fin 14-19; Pelvic fin 7.
Photophores: IV 31-36 (IP 8-11 + PV 22-28); VAV 11-13; AC 10-11; OA 30-35 (OV 19-22; [rarely 23] + VAL 11-12 [rarely 9-10 or 13-15], last two photophores over anal-fin base); BR 6-8.

Species Citation

Photonectes achirus Regan & Trewavas, 1930, Danish Dana Expedition 1920-22 in the North Atlantic and the Gulf of Panama, Oceanographical Reports 2(6): 122, Fig. 116a. Type locality: Caribbean Sea, western Atlantic. 

Author

Dianne J. Bray

Photonectes achirus Regan & Trewavas 1930

References


Flynn, A.J. & Klepadlo, C. 2012. Two new species of Photonectes (Teleostei: Stomiidae) from the Indo-Pacific, and a re-examination of P. achirus. Memoirs of Museum Victoria 69: 259-267.

Regan, C.T. & Trewavas, E. 1930. The fishes of the families Stomiatidae and Malacosteidae. Danish Dana Expedition 1920-22 in the North Atlantic and the Gulf of Panama, Oceanographical Reports. 2(6): 1-143, Pls. 1-14.

Quick Facts


CAAB Code:37109042

Depth:75-1400 m

Habitat:Mesopelagic, bathypelagic

Max Size:9 cm SL

Species Maps

CAAB distribution map