Klassifizierung / Names
Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa
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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.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser riff-verbunden. Tropical
Eastern Central Pacific: American Samoa.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 5.4 cm SL Männchen/unbestimmt; (Ref. 81230); 5.9 cm SL (female)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenweichstrahlen (insgesamt) : 73 - 80; Afterflossenweichstrahlen: 57 - 64; Wirbelzahl: 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).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (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).
Trophische Ebene (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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