Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Gymnelinae
Etymology: Hadropareia: Greek, hadros = strong, big + Greek, pareia, as = cheek (Ref. 45335).
Eponymy: Alexander Theodor (Aleksander Fedorovich) von Middendorff (1815–1894) was an Estonian of German extraction who was a traveller and naturalist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 0 - 60 m (Ref. 50550). Temperate
Northwest Pacific: Sea of Okhotsk from the Bay of Penzhinsk to the Shantar Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.8 cm SL male/unsexed; (Ref. 11954)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 110 - 111; Anal soft rays: 89 - 90; Vertebrae: 106 - 115. First interneural located to the rear of the osseous process of the 2nd-4th vertebrae. Anterior to the first caudal vertebra 4-6 rays of anal fin on 5-7 interhaemals (Ref. 33657).
Body shape (shape guide): eel-like.
Inhabits intertidal and shallow subtidal zones (Ref. 11954).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Anderson, M.E., 1994. Systematics and osteology of the Zoarcidae (Teleostei: Perciformes). Ichthyol. Bull. J.L.B. Smith Inst. Ichthyol. 60:120 p. (Ref. 11954)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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