Osopsaron Karlik (Osopsaron karlik), first described by Parin, 1985 is a tiny fish in the family Hemerocoetidae (order Acropomatiformes). Adults typically reach 4.20 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 260 to 450 metres. It occurs in Deep-water waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.
Dorsal spines (total): 5 - 6; Dorsal soft rays (total): 18 - 20; Anal spines: 0; Anal soft rays: 22 - 23; Vertebrae: 32. Head large, 2.6-2.8 in SL .: elongated.
Behavioural data for Osopsaron Karlik is currently being reviewed.
Marine; bathydemersal; depth range 260 - 450 m . Deep-water; 25°S - 26°S Southeast Pacific: known from three seamounts at the junction of the Nazca and Sala y Gomez ridges (between 25°19'-25°48'S and 85°05'-86°03'W) and three seamounts in the west of the Sala y Gomez ridges (between 25°03'-26°00'S and 97°29'-100°40'W).
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
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