Pseudoscopelus astronesthidens Prokofiev & Kukuev, 2006

Family:  Chiasmodontidae (Snaketooth fishes)
Max. size:  15 cm SL (male/unsexed)
Environment:  bathypelagic; marine; depth range 1110 - 1250 m
Distribution:  North Atlantic: apparently endemic and has a central-oceanic type of distribution (Ref. 78617).
Diagnosis:  Dorsal spines (total): 7-8; Dorsal soft rays (total): 23-28; Anal soft rays: 23-28; Vertebrae: 36-37. This species is characterized by the following: dark orobranchial cavity; inclined teeth in the marginal row on the premaxillary are increased in size in the postorbital portion of the bone; teeth on the tongue; minute or no gill rakers on first gill arch; maxillary (suborbital) photophores usually well developed, disconnected with anteropreopercular photophores; well developed posteropreopercular photophores; no transverse ventral (interventral) photophores; thin cranial roofing bones; upper jaw long, 66.7-76.2% head length (HL), usually more than 69% HL (80% of specimens; mean 70.3%); moderately long pectorals, 16.0-22.5% SL, usually more than 17% SL (95% of specimens; mean 19.1%); group of three pores above the second nare; 36-37 vertebrae (Ref. 78617).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 12 October 2018 Ref. (130435)
Threat to humans: 


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