Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande. Temperate; 47°S - 55°S
Southwest Atlantic: Puerto Deseado, Argentina to Tierra del Fuego and the Falkland Islands.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 33.5 cm SL hane/ej könsbestämd; (Ref. 11954)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 102; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 75; Ryggkotor: 102. Pelvic fins small. Body pale brownish dorsally and much paler ventrally. Ten dark brownish crossbars across head, trunk and tail extending to the dorsal and anal fins (Ref. 27363).
Feeds on polychaetes (Ref. 33379).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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 2024-2)
Threat to humans
Harmless
Human uses
Fiskeri:
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [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).
Trofisk nivå (Ref.
69278): 3.1 ±0.26 se; based on food items.
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).