Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 48 - 200 m (Ref. 58496). Polar; 2°C - 6°C; 50°N - 30°N
Northwest Pacific.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 12.4 cm SL hane/ej könsbestämd; (Ref. 27737)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 8 - 9; Mjukstrålar i ryggfenan (totalt) : 18 - 19; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 14 - 15. Body elongated, slightly compressed. Head large, compressed. Eyes and mouth large. Parietal spines usually absent. Nuchal spines short, sharp, posteriorly or dorsally directed. Generally body shape and head more slender than other Icelus. Lateral line scales extending past posterior edge of hypural plate, one lateral line scale on caudal fin. A pair of caudal peduncle scales present. Reticulate white vermiculate lines on lateral body surface. Small scales bearing a minute prickle scattered sparsely on dorsal surface of the head. Pectoral fin rounded, reaching to above 1st anal ray; no soft rays branched. Pelvic fin slender, not reaching 1st anal ray. Anal rays unbranched. Each fin membrane thin, easily torn (Ref. 27737).
Body shape (shape guide): elongated.
Specimens were collected from sandy-muddy bottoms (Ref. 27737). Minimum depth reported at 200 m (Ref. 27737).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Murai, T., T. Nakabo and T. Kinosita, 1994. A record of the cottid fish, Icelus stenosomus from southern Sea of Japan. Jap. J. Ichthyol. 41(3):343-346. (Ref. 27737)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00603 (0.00290 - 0.01252), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (38 of 100). 🛈 |