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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.
Eponymy: Katrine Worsaae is the wife of the second author, who thanked her for her ‘most valuable support’ during the many hours he invested in the study of this genus. (Ref. 128868), visit book page.
More on authors: Schwarzhans, Møller & Nielsen.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina; distribuzione batimetrica ? - 20 m (Ref. 57884). Subtropical
Southeastern Pacific: French Polynesia, Cook and Pitcairn Islands.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 10.2 cm SL maschio/sesso non determinato; (Ref. 57884); 7.8 cm SL (female)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Raggi dorsali molli (totale) : 78 - 86; Raggi anali molli: 63 - 69; Vertebre: 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).
Body shape (shape guide): elongated.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 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).
Livello trofico (Fonte Biblio.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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