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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Brotulinella: Name refers to Brotulina, now regarded as a junior synonym of Diancistrus, and the small size of the genus.; taiwanensis: Named for its type locality, Taiwan, ROC..
More on authors: Schwarzhans, Møller & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien benthopelagisch; diepte 0 - 6 m (Ref. 90102). Subtropical
Verspreiding
Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri
Western Pacific: Taiwan and the Philippines.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 6.0 cm SL mannelijk / geslacht onbekend; (Ref. 57884)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 68 - 78; Anale zachte stralen: 52 - 63; Wervels: 40 - 43. The anterior nostril is placed low on snout; male copulatory organ with 2 pairs of pseudoclaspers, the outer large, broad and blade-like, the inner a mere fleshy appendix fused to the outer pseudoclasper anteriorly and without a supporter; eyes moderately large (1.8-2.6% SL); fish small (maximum 60 mm SL, maturity reached at 35 mm SL), slender (head height about 16% SL, depth at anal about 16.5% SL); precaudal vertebrae 12 (rarely 11); head with scale patch only on cheek; otolith elongate, its sulcus inclined (5-10°), short (otolith length to sulcus length 2.2-2.4), with fused colliculi; maxilla rounded postero-ventrally with weak knob in front of rear corner; anterior anal fin pterygiophore is long (Ref. 57884).
Occurs in shallow water between rocks, mainly in surge areas (Ref. 57884). Cryptic, solitary inhabitant of shallow water (<6m) (Ref 90102).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 26.9 - 29.3, mean 28.8 °C (based on 764 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [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).
Trofisch niveau (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
