Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 0 - 825 m (Ref. 6793), usually 35 - 380 m (Ref. 50550). Polar
Arctic, Northwest to Northeast Pacific: East Siberian Sea to eastern Kamchatka and the Commander Islands, Russian and Washington, USA (Ref. 6793); including Hokkaido, Japan (Ref. 37422) and the Sea of Okhotsk (Ref. 48889).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 38.0 cm TL mannelijk / geslacht onbekend; (Ref. 48889); common length : 30.0 cm TL mannelijk / geslacht onbekend; (Ref. 31682); max. gepubliceerd gewicht: 370.00 g (Ref. 31682); max. gerapporteerde leeftijd: 9 Jaren (Ref. 31682)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 47; Anale stekels: 0; Anale zachte stralen: 32 - 34. Caudal fin narrow, gently rounded (Ref. 6885). Brown on the dorsal surface with dark markings, lighter ventrally with yellow to orange streaks; yellow on head in some areas and yellow mottling on fins; black blotch on anterior part of dorsal fin for first 3 to 5 rays, conspicuous; pelvic fins dusky and some dark marks on other fins; eyes reputed to be blue (Ref. 6885).
Body shape (shape guide): elongated.
Adults are found offshore on soft bottoms (Ref. 2850); and deeper (to 300 m) than other ronquils (Ref. 48889). Reaches more than 38 cm (Ref. 48889).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5703 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.8 ±0.3 se; based on diet studies. |
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Generation time |
3.3 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (tmax=9). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low to moderate vulnerability (33 of 100). 🛈 |