Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathydemersaal; diepte 25 - 600 m (Ref. 6793), usually 76 - ? m (Ref. 2850). Temperate; 70°N - 32°N, 162°E - 116°W
Northeast Pacific: southeast of Zhemchug Canyon in the Bering Sea to Santa Catalina Island, California, USA.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 34.2, range 24 - ? cm
Max length : 58.0 cm TL mannelijk / geslacht onbekend; (Ref. 27437); max. gerapporteerde leeftijd: 105 Jaren (Ref. 55644)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 13; Dorsale zachte stralen (totaal) : 12 - 14; Anale stekels: 3; Anale zachte stralen: 5 - 7. Head spines strong to moderate - nasal, preocular, supraocular, postocular, tympanic, parietal and nuchal spines present, coronal spines absent; second anal fin spine shorter than third (Ref. 27437). Caudal fin moderately indented (Ref. 6885). Deep bodied, pinkish with 4 or 5 dark patches on back, 3 under spinous dorsal, 1 under caudal peduncle (Ref. 27437).
A deep-water species found on soft bottoms (Ref. 2850). Viviparous (Ref. 34817). Anterolateral glandular grooves with venom gland (Ref. 57406).
Allen, M.J. and G.B. Smith, 1988. Atlas and zoogeography of common fishes in the Bering Sea and northeastern Pacific. NOAA Tech. Rep. NMFS 66, 151 p. (Ref. 6793)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gebruik door de mens
Visserij: commercieel; sportvis: ja
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Estimates based on models
Preferred temperature (Ref.
123201): 1 - 7.5, mean 4.7 °C (based on 336 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00499 - 0.02004), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.8 ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (K=0.09(?); tm=5.1-8.4; tmax=105; Fec=19,815).
Prior r = 0.09, 95% CL = 0.06 - 0.14, Based on 2 full stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (64 of 100).
Nutrients (Ref.
124155): Calcium = 19 [8, 60] mg/100g; Iron = 0.229 [0.097, 0.540] mg/100g; Protein = 17.9 [16.7, 19.0] %; Omega3 = 1.23 [0.53, 2.97] g/100g; Selenium = 43.6 [17.2, 124.2] μg/100g; VitaminA = 24 [8, 78] μg/100g; Zinc = 0.378 [0.200, 0.665] mg/100g (wet weight);