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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); leisi: Named for Jeffrey Leis, Sydney, Australia.
Eponymy: Dr Jeffrey Martin Leis (d: 1949) is a larval-fish biologist and Adjunct Professor at the Institute for Marine and Antarctic Studies, University of Tasmania. [...] (Ref. 128868), visit book page.
More on authors: Schwarzhans, Møller & Nielsen.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; profondeur 2 - 17 m (Ref. 57884). Subtropical
Western Pacific: Great Barrier Reef north of 15°S ( Australia).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 3.3 cm SL mâle / non sexé; (Ref. 57884); 4.6 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 69 - 73; Rayons mous anaux: 55 - 57; Vertèbres: 41. The species is distinguished by having the following characters: Vertebrae 11+30=41, dorsal fin rays 69-73, anal fin rays 55-57; eyes small (1.7-1.9% SL), D/V 6; outer pseudoclasper short, only slightly longer than inner pseudoclasper, stick-shaped; inner pseudoclasper anteriorly joined to outer pseudoclasper, thin, spiny, strongly forward inclined; narrow scale patch on cheek with 3-4 scale rows on upper cheek and only 1-2 scale rows on lower cheek, no scales on operculum; head high, laterally strongly compressed, eye located high; otolith length to height ratio 2.0-2.1 (Ref. 57884).
Body shape (shape guide): elongated.
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
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 26.2 - 28, mean 27.2 °C (based on 158 cells).
Indice de diversité phylogénétique (Réf.
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).
Niveau trophique (Réf.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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