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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Didymothallus: Name from Greek 'didymos' for double or twofold and 'thallus' for branch in plants, referring to the two supporters of nearly equal length in the single pair of pseudoclaspers; pruvosti: Named for Patrice Pruvost, MNHN, Paris.
Eponymy: Patrice Pruvost (d: 1966) is a biologist and ecologist who works at MNHN (1995 – present), where he is currently one of the curators of the fish collection. [...] (Ref. 128868), visit book page.
More on authors: Schwarzhans & Møller.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 0 - 10 m (Ref. 76869). Tropical
Western Pacific: New Caledonia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 4.4 cm SL hane/ej könsbestämd; (Ref. 76869); 4.2 cm SL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 70 - 73; Mjukstrålar i analfenan: 52 - 58; Ryggkotor: 43 - 45. This species is distinct with the following characters: D 70-73, A 52-58, D/A 20-22, V in D 1.9; vertebrae 12+31-33=43-45, no cirri on occiput; a single (outer) pseudoclasper wing shaped with 2 supporters, the anterior one slightly longer and bent backward while the posterior is straight, with a club-like expanded tip; cheek with 5-6 scale rows on upper part, 3-5 rows on lower part; otolith possess a sharply pointed anterior tip and a moderately pronounced post-dorsal angle, with undivided short sulcus, its centre anteriorly of the centre of the otolith, inclined 5°-10°, otolith length to height is 2.2-2.3, otolith length to sulcus length is 2.6 (Ref. 76869).
Body shape (shape guide): elongated.
This species is associated with crevices of silty coralline rock and the presence of live corals is not essential (Ref. 76869).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Schwarzhans, W. and P.R. Møller, 2007. Review of the Dinematichthyini (Teleostei: Bythitidae) of the Indo-west Pacific. Part III. Beaglichthys, Brosmolus, Monothrix and eight new genera with description of 20 new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 23:29-110. (Ref. 76869)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5625 [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).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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