>
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.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batipelagico; distribuzione batimetrica 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.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 24.1 cm TL maschio/sesso non determinato; (Ref. 5951)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 12 - 16; Spine anali: 0; Raggi anali molli: 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.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 6.1 - 15.8, mean 9.9 °C (based on 965 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00115 - 0.00790), b=3.11 (2.88 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 4.2 ±0.73 se; based on food items.
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (14 of 100).
🛈