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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Eusurculus: Name from Latin and Greek 'eu' for good or real and Latin 'surculus' for grapevine tendril, refers to the functional analogy with the pseudoclaspers and the specific shape of the inner pseudoclasper; andamanensis: Named for the type area, the Andaman Islands.
More on authors: Schwarzhans & Møller.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin démersal. Tropical
Eastern Indian Ocean, Andaman Islands and the south coast of Sumatra.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 4.4 cm SL mâle / non sexé; (Ref. 76869)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 78 - 84; Rayons mous anaux: 59 - 63; Vertèbres: 42 - 43. This species possess the following characters: D 78-84, A 59-63, D/A 21-27, V in D 2.2-2.3; vertebrae 12+30-31=42-43; the anterior nostril is positioned 1/4.5 to 1/5 the distance from upper lip to aggregate distance to anterior margin of eye; free pseudoclaspers 2 pairs, the outer pseudoclasper wing-shaped with broad base and distally widened supporter with anterior hook (covered by ligament), the inner one stalked, with slightly widened base and distally with concave sucker-disk; 5-6 rows of scales on upper part and 3-4 rows on lower part on cheek (Ref. 76869).
Body shape (shape guide): elongated; Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Utilisations par l'homme
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Estimations basées sur des modèles
Température préférée (Réf.
123201): 28.3 - 29.4, mean 28.7 °C (based on 236 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.6250 [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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