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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335); bimargaritoides: From the species name bimargaritatus, adorned with two pearls, and oides, meaning resembling, alluding to the similarity of the terminal barbel filaments of the two species.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
marinhas batipelágico; intervalo de profundidade 0 - 1200 m (Ref. 11333). Deep-water
Eastern Central Pacific: near the Hawaiian and Marquesas islands.
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 12.6 cm SL macho/indeterminado; (Ref. 11333); 11.8 cm SL (female)
Raios dorsais moles (total) : 25; Raios anais moles: 38. Two terminal bulbs separated by a short interspace, 0.5-1.1 times the length of distal bulb. Barbel length 44-59% SL. Terminal filament long (21-28% SL), with 2 long branches arising closely together at 6-11 distal-bulb lengths from the distal bulb (at 8.3 - 12.6 cm specimens); all long branches with conspicuous closely-spaced bulblets. Stem of filament with no bulblets and with 1-6 short, slender branches in its basal half. Barbel without melanophores (rarely very sparse on axis of stem). Middorsal paired spots under skin between occiput and dorsal-fin base 8 (Ref. 11333).
Body shape (shape guide): elongated.
Mesopelagic (Ref. 58302).
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Gibbs, R.H. Jr., T.A. Clarke and J.R. Gomon, 1983. Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: subgenus Nominostomias. Smithson. Contrib. Zool. 380:139 p. (Ref. 11333)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): 8.7 - 18.9, mean 13.5 °C (based on 41 cells).
Índice de diversidade filogenética (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).
Nível Trófico (Ref.
69278): 4.1 ±0.8 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Assuming tmax>3).
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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