Classification / Names
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Teleostei (teleosts) >
Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Lycodinae
Etymology: Pachycara: Greek, pachys = fat + Greek, kara = face (Ref. 45335); dolichaulus: Name from Greek 'dolichos' for long, and 'aulos' for tube, referring to the species' unusually long nostril tube; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 666 - 718 m (Ref. 78516). Deep-water
Southeast Pacific: off Peru.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 24.4 cm SL male/unsexed; (Ref. 78516)
Short description
Identification keys | Morphology | Morphometrics
These distinct features distinguish this species from congeners in the area: unique lateral line configuration, low vertebral count, dorsal fin origin, five postorbital pores, and absence of nape scales.
Body shape (shape guide): eel-like.
Found in deep waters off Peru (Ref. 78516).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Anderson, M.E., 2006. Studies on the Zoarcidae (Teleostei: Perciformes) of the Southern Hemisphere. XII. Two new lycodine species from off Peru. Species Diversity 11(3):183-190. (Ref. 78516)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00120 (0.00058 - 0.00248), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
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