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> Ophidiiformes (Cusk eels) > Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); katrineae: Named for Katinae Worsaae, wife of P.R. Møller..
More on authors: Schwarzhans, Møller & Nielsen.

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

seewasser riff-verbunden; tiefenbereich ? - 20 m (Ref. 57884). Subtropical

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Southeastern Pacific: French Polynesia, Cook and Pitcairn Islands.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 10.2 cm SL Männchen/unbestimmt; (Ref. 57884); 7.8 cm SL (female)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt): 78-86; Afterflossenweichstrahlen: 63 - 69; Wirbelzahl: 44 - 46. This species is characterized by the following: Vertebrae 11-12+33-35=44-46, dorsal fin rays 78-86, anal fin rays 63-69; eyes large (2.0-3.1% SL), D/V 6; outer pseudoclasper large, broad, wing-shaped, with concave inner face; inner pseudoclasper joined to outer pseudoclasper anteriorly, thin, with narrow base and single-pointed tip extending over anterior part of outer pseudoclasper; moderately broad scale patch on cheek with 5-8 scale rows, large scale patch on operculum above opercular spine (13-21 scales) and separated smaller scale patch below opercular spine (3-7 scales); head is massive and thick (Ref. 57884).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Schwarzhans, W., P.R. Møller and J.G. Nielsen, 2005. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-West-Pacific. Part I. Diancistrus and two new genera with 26 new species. The Beagle, Records of the Museum and Art Galleries of the Northern Territory 21:73-163. (Ref. 57884)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [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): 3.4 ±0.5 se; based on size and trophs of closest relatives

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

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Diancistrus katrineae Schwarzhans, Møller & Nielsen, 2005