Classification / Names
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Teleostei (teleosts) >
Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Lycodinae
Etymology: Ophthalmolycus: Greek, ophthalmos = eye + Greek, lykos = wolf (Ref. 45335); polylepis: Name from the Greek 'polus' for many, and 'lepis' for scales, referring to the extensive squamation of this species.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range ? - 1056 m (Ref. 84360). Polar; 64°S - 65°S, 61°W - 62°W
Antarctic Pacific: Gerlache Strait (Ref. 84360).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm SL male/unsexed; (Ref. 84360); 24.0 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Vertebrae: 98 - 118. Ophthalmolycus polylepis can be distinguished from its congeners by the following combination of characters: two posterior nasal pores; epidermal prickles on lips; gill slit extending ventrally just to below mid-pectoral fin base; interorbital pore present; two postorbital pores; lateral line triple with ventral, mediolateral and dorsolateral branches; scales extending anteriorly to predorsal area, abdomen, pelvic fins base, and pectoral fins base and axil; vertebrae asymmetrical 22 + 76; dorsal fin origin associated with vertebra 5; pectoral fin rays 18; six branchiostegal rays; oral valve overlapping the anterior edge of vomer; two rows of palatine teeth anteriorly; two vestigial pyloric caeca and 2 pseudobranch filaments; pelvic fin and vomerine teeth present (Ref. 84360).
Body shape (shape guide): eel-like; Cross section: circular.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Matallanas, J., 2011. Description of two new species of Ophthalmolycus (Teleostei: Zoarcidae) from the Southern Ocean and key to species of the genus. Journal of the Marine Biological Association of the United Kingdom. (Ref. 84360)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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