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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Melanostomias: Greek, melan, -anos = black + Greek, stoma = mouth (Ref. 45335).
Eponymy: Both these species are named after the research vessel ‘Valdivia’ and the Valdivia expedition (1898–1899), Germany’s first expedition to explore deep seas. The holotypes were collected during the expedition. (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 40 - 1600 m (Ref. 2732). Deep-water; 41°N - 49°S, 98°W - 154°W
Eastern Atlantic: between 41°N and 28°N, one record at about 30°N, 18°W, and west of South Africa. Western Atlantic: between 41°N and 28°N, Gulf of Mexico, and south to 8°N; then between 10°S and 18°S. Northwest Atlantic: Canada (Ref. 5951). Also Indian and Pacific oceans.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 24.1 cm TL hane/ej könsbestämd; (Ref. 5951)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 12 - 16; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 17 - 19. Body elongate and moderately slender. Short, blunt and non-protrusible snout. Short chin barbel with short terminal expanded section. Black in color. Barbel is black, tip of barbel unpigmented (Ref. 37039).
Body shape (shape guide): elongated.
Also mesopelagic (Ref. 7300). Caught from deep water in the Hawaiian area.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Gibbs, R.H. and M.A. Barnett, 1990. Melanostomiidae. p. 308-337. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4468)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Särskilda rapporter
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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=0.00309 (0.00118 - 0.00808), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
4.2 ±0.73 se; based on food items. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (30 of 100). 🛈 |