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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); mcgroutheri: Named for Mark Grouther, Sydney, Australia.
Eponymy: Mark Andrew McGrouther (d: 1958), whose honours degree was awarded by Sydney University (1980), worked at the Australian Museum, Sydney (1981–2018) and was Ichthyology Collection Manager until retirement (1987–2018). [...] (Ref. 128868), visit book page.
More on authors: Schwarzhans, Møller & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 30 - 60 m (Ref. 57884). Subtropical
Western Pacific: northern Great Barrier Reef and along the southern part of Papua New Guinea.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 4.7 cm SL mannelijk / geslacht onbekend; (Ref. 57884); 6.0 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 73 - 76; Anale zachte stralen: 56 - 61; Wervels: 41. The species is distinguished by having the following characters: Vertebrae 11+30=41, dorsal fin rays 73-76, anal fin rays 56-61; small eyes (1.5-2.1% SL); outer pseudoclasper with small ear-lobe extension opening inwards; inner pseudoclasper free from outer pseudoclasper, with supporter, forming a sharp, forward-inclined thorn; narrow scale patch on cheek, absence of scales on operculum; head profile slender; otolith length to height ratio 2.0-2.2 (Ref. 57884).
Solitary inhabitant of coral reef crevices, cryptic (Ref 90102).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | 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: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 26.2 - 27, mean 26.5 °C (based on 5 cells).
Fylogenetische diversiteitsindex (Ref.
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).
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).
![Image of Diancistrus mcgroutheri (Mcgrouther\](/images/thumbnails/gif/tn_Dimcg_m0.gif "Image of Diancistrus mcgroutheri (Mcgrouther\")
