Polyipnus unispinus Schultz, 1938

Family:  Sternoptychidae (Marine hatchetfishes), subfamily: Sternoptychinae
Max. size:  3.52 cm SL (male/unsexed)
Environment:  benthopelagic; marine; depth range 50 - 500 m
Distribution:  Western Pacific: Java Trench, Timor, Halmahera, Sulu and Celebes seas, New Britain Trench (off the Solomon Islands), south-eastward to New Caledonia and with a few captures to the north of New Zealand. Has not been collected in the South China Sea (Ref. 26382).
Diagnosis:   
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 18 July 2019 Ref. (130435)
Threat to humans:  harmless


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