Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; saumâtre démersal. Temperate
Southeast Pacific and Southwest Atlantic: Chiloé Island south to Tierra del Fuego and the Falkland Islands.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 57.0 cm TL mâle / non sexé; (Ref. 11954)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Presence of pelvic fins which do not or just reach a vertical through the pectoral fin bases; present; origin of dorsal fin above base or anterior part of pectoral fin; without dermal appendages around mouth; gill opening extending downward to at least the middle of pectoral fin base, but not reaching the lower end of pectoral fin base; head depressed; body elongated and tail compressed, with depth about 7-9% TL (Ref. 37311).
Inhabits rocky intertidal zones and estuaries with suitable conditions (Ref. 11954). Found among macroalgae, below rocks and stones (Ref. 37311).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 6.8 - 14.1, mean 10 °C (based on 136 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00120 (0.00057 - 0.00252), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).