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Teleostei (teleosts) > 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.; winterbottomi: Named for Richard Winterbottom, ROM, Toronto, Canada; noun in apposition..
More on authors: Møller & Schwarzhans.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 0 - 20 m (Ref. 81230). Tropical

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Western Central Pacific: restricted to the Fiji and Tonga islands.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 8.0 cm SL male/unsexed; (Ref. 81230); 8.8 cm SL (female)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 80 - 86; Anal soft rays: 61 - 65; Vertebrae: 40 - 43. This species is distinguished by the following characters: D 80-86; A 61-65; moderately large eyes (2.3-3.0%SL); moderately slender body; many cirri on snout; scales on cheeks and a patch above opercular spine with 5-9 scales; with upper preopercular pore; outer pseudoclasper broad-based, do not extend beyond the hood when in resting position, while the inner one is short, thin, free from the outer one, bifurcate, the anterior pointed lobe short and the posterior lobe much expanded posteriorly; otolith length to height 2.0-2.2, with shallow dorsal rim and weak postdorsal angle; otolith length to sulcus length 1.6-1.7, ostium length to cauda length 3.0-4.5; vertebrae 11(-12) + 29-32 = 40-43 (Ref. 81230).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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 Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 15 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 26.2 - 28.9, mean 27.1 °C (based on 185 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Trophic level (Ref. 69278): 3.3 ±0.5 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Alionematichthys winterbottomi Møller & Schwarzhans, 2008