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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Alionematichthys: Name from Latin alius meaning the other or different, and nematichthys, the stem of the genus name Dinematichthys, to which this genus is most similar; samoaensis: Named for its type locality, American Samoa; an adjective.
More on authors: Møller & Schwarzhans.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
marinhas associadas(os) a recifes. Tropical
Eastern Central Pacific: American Samoa.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 5.4 cm SL macho/indeterminado; (Ref. 81230); 5.9 cm SL (female)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Raios dorsais moles (total) : 73 - 80; Raios anais moles: 57 - 64; Vértebras: 40 - 43. This species is distinguished by the following characters: D 73-80; A 57-64; moderately large eyes (2.2-2.8%SL); slender body; many cirri on snout; scales on cheeks, none above the opercular spine; with upper preopercular pore; funnel-shaped posterior nostril; broad-based outer pseudoclasper, not extending beyond the hood when in resting position, with thick distal knob on the inner face, while the inner one about half size of outer pseudoclasper, anterior thorn slightly bent, posterior lobe broader than the anterior one; vertebrae 11-12 + 29-30 = 40-43 (Ref. 81230).
Body shape (shape guide): elongated.
A gravid female, 4.6 cm SL (CAS 81486) with ca. 100 embryos, 0.46 cm TL in length; each embryo with 3 short pigmented rows on the posterior part of the body (Ref. 81230).
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Møller, P.R. and W. Schwarzhans, 2008. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-west Pacific, Part IV. Dinematichthys and two new genera with descriptions of nine new species. The Beagle 24:87-146. (Ref. 81230)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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