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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); machidai: Named for Yoshihiko Machida, expert on ophidiiform fishes.
Eponymy: Dr Yoshihiko Machida is a Japanese ichthyologist, whose doctorate was awarded by Kyushu University (1974). [...] (Ref. 128868), visit book page.
More on authors: Schwarzhans, Møller & Nielsen.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; profondeur 2 - 20 m (Ref. 90102). Tropical
Western Pacific: Philippines to Indonesia.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 6.0 cm SL mâle / non sexé; (Ref. 57884); 4.7 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 66 - 77; Rayons mous anaux: 50 - 64; Vertèbres: 40 - 43. The species is characterized by having Vertebrae 11+29-31 (32)=40-42 (43), dorsal fin rays 66-77, anal fin rays 50-64; large eyes (2.4-3.3% SL), D/V 6-7; outer pseudoclasper long, thick, with almost straight hook-like extension in ventral view; inner pseudoclasper anteriorly joined to outer pseudoclasper, broad, its supporter extended as distinct thorn to nearly length of extension of outer pseudoclasper; moderately wide scale patch on cheek with 5-6 scale rows on upper cheek, 0-2 scales on operculum above opercular spine; head is slender, broad; otolith length to height ratio 2.0-2.1; sulcus short, ratio otolith length to sulcus length 2.3-2.5 (Ref. 57884).
Body shape (shape guide): elongated; Cross section: compressed.
Solitary inhabitant of coral reef crevices, cryptic (Ref 90102).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Niveau trophique (Réf. 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |