Polyipnus inermis Borodulina, 1981
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Family:  Sternoptychidae (Marine hatchetfishes), subfamily: Sternoptychinae
Max. size:  6.35 cm SL (male/unsexed)
Environment:  bathypelagic; marine; depth range 0 - 575 m
Distribution:  Southeast Pacific: in the vicinity of Sala y Gomez Submarine Ridge.
Diagnosis:  Dorsal soft rays (total): 12-13; Anal soft rays: 16-16. Three equidimensional spiny rays present on the posttemporal spine. In front of the dorsal fin is a long, pigmented protuberance, reaching to the median line of the body. Photophores in the anal series few, 8-9. A wide gap equal to the length of the group of subcaudal photophores present between the anal and subcaudal photophores. Spiny scales absent on preanal, anal and subcaudal photophores. Trunk relatively deep body; caudal peduncle narrow (Ref. 26037).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 16 July 2019 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Capuli, Estelita Emily - 12.05.99
Modified by: Capuli, Estelita Emily - 26.02.02

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