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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335).
Eponymy: The Russian Research Vessel ‘Vityaz’ (also spelled Vitiaz) is famous for many cruises, during which the holotypes of several of the above fish were caught. [...] (Ref. 128868), visit book page.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathypelagisch; tiefenbereich 0 - 415 m (Ref. 11333). Deep-water
Western Central Pacific: Queensland, Australia.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 15.8 cm SL Männchen/unbestimmt; (Ref. 11333); 9.7 cm SL (female)
A single, ovoid terminal bulb 1-1.2% SL. Barbel length short to intermediate 32-60% SL. Short terminal filaments 9 or more of various sizes; shortest filaments often bulblet-tipped; longer ones with bulblets and inclusions of various sizes and shapes; 1 filament thicker and longer than others, not forked, with 1 or more long inclusions filling most of its distal end. Axis of stem lightly or not pigmented. A dark spot usually at the base of the bulb. External chevron-shaped or roundish striated areas unpigmented. Middorsal paired spots between occiput and dorsal-fin origin 7 (Ref. 11333).
Body shape (shape guide): elongated.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 16.2 - 27.8, mean 26.1 °C (based on 18 cells).
Phylogenetischer Diversitätsindex (Ref.
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).
Trophische Ebene (Ref.
69278): 4.3 ±0.8 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Assuming tmax>3).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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