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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Chauliodontinae
Etymology: Chauliodus: Greek, chaulios, chaulos, chaunos = to be with the mouth opened + Greek, odous = teeth (Ref. 45335); macouni: Named after Prof. J.C. Macoun, Geological Survey of Canada, a resolute pioneer of western Canada (Ref. 6885).
Eponymy: John C Macoun (1831–1920) was a self-taught botanist who emigrated from Northern ireland to Canada (1850). [...] (Ref. 128868), visit book page.
More on author: Bean.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; havsvandrande (Ref. 138310); djupintervall 25 - 4390 m (Ref. 5610). Deep-water; 66°N - 23°N, 127°E - 106°W
Northwest Pacific: Navarin Canyon in the Bering Sea to Japan. Eastern Pacific: Gulf of Alaska to central Baja California (Ref. 35898) and the Gulf of California.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 29.3 cm TL hane/ej könsbestämd; (Ref. 80637); publicerad maxvikt: 23.35 g (Ref. 4525); rapporterad maxålder: 8 år (Ref. 28499)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 5 - 7; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 9 - 14; Ryggkotor: 56 - 62. First dorsal fin ray much produced in a long filament terminating in a minute flap; adipose fin large, placed well back over posterior part of anal, higher posteriorly; pelvic fins long and narrow (Ref. 6885). No true gill rakers (Ref. 6885). Dark brown to black in color (Ref. 6885). Branchiostegal rays: 16-21 (Ref. 35898).
Body shape (shape guide): elongated.
Migrate upward at night (Ref. 28499). Adults feed on small planktonic crustaceans, arrow worms and fish (Ref. 28499). Photophores occur on belly arranged in a row (Ref. 2850). Oviparous, with planktonic eggs and larvae (Ref. 35898). Also caught with bottom trawls.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: husbehovsfiske
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00204 (0.00118 - 0.00353), b=3.16 (3.00 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
4.5 ±0.4 se; based on diet studies. |
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Generation time |
3.1 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.35; tmax=8). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (32 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
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