Classification / Names
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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Mascarenichthys: Named in reference to the Mascarene plate, from where most of the specimens observed so far have been obtained; microphthalmus: Name from Greek words 'micros' for small and 'ophthalmos' for eye), refers to the small eye size of this species; noun in apposition.
More on authors: Schwarzhans & Møller.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin benthopélagique. Temperate
Southeast Atlantic: South Africa.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 4.0 cm SL mâle / non sexé; (Ref. 76869)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 67 - 69; Rayons mous anaux: 52 - 55; Vertèbres: 40 - 41. This species possess the following distinguishing characters: D 67-69, A 52-55, pectoral fin rays 19, D/A is 19-22, V in D 2.0; vertebrae 11+29-30 = 40-41; anterior nostril located 1/4 the distance from upper lip to aggregate distance to anterior margin of eye; small eyes, 0.8-1.2 % SL; 2 pairs of free pseudoclaspers, the outer pseudoclasper simple, flap-shaped with pointed tip, broad at base, short, slightly shorter than inner pseudoclasper which is broad, with 3 ridges in anterior, posterior and inward directions and hidden in pocket of wide isthmus (in resting position); 6 scale rows on cheeks on upper part and 3 rows on lower part; presence of upper preopercular pore (Ref. 76869).
Life cycle and mating behavior
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 2024-1)
Utilisations par l'homme
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Estimates based on models
Phylogenetic diversity index (Ref.
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 (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
