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> Ophidiiformes (Cusk eels) > Dinematichthyidae (Viviparous brotula)
Etymology: Nielsenichthys: Named for Jørgen Nielsen, Copenhagen, ZMUC, in recognition of his many contributions to the biology and systematics of the Ophidiiformes.; pullus: Name from the Latin 'pullus' meaning dark, referring to the dark colour of the fishes; adjectival..
More on authors: Schwarzhans & Møller.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser benthopelagisch; tiefenbereich 5 - 20 m (Ref. 88966). Tropical

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Western Pacific: Indonesia.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 3.8 cm SL Männchen/unbestimmt; (Ref. 88966)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt): 84-90; Afterflossenweichstrahlen: 59 - 67; Wirbelzahl: 42 - 43. This species is distinguished by the following set of characters: anterior nostril placed high on snout (nearly half the distance from upper lip to anterior margin of eye); male copulatory organ with 2 pairs of equally large pseudoclaspers connected by thin ligament; pseudoclaspers slender, each with single straight supporter, inner pseudoclasper positioned anterior of outer pseudoclasper; precaudal vertebrae 12; rays on dorsal fin 84-90 and anal fin 59-67; head with scale patch on cheek only, no scales on operculum; upper preopercular pore present; maxilla expanded postventrally; otolith elongate (length to height 2.2-2.3), colliculi separated, ostium approaching close to anterior rim of otolith, ostium length to caudal length 3.3-3.8; size small, up to about 40 mm SL (Ref. 88966).

Cryptic, solitary inhabitant of rocky crevices (Ref. 90102).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Schwarzhans, W. and P.R. Møller, 2011. New Dinematichthyini (Teleostei: Bythitidae) from the Indo-west Pacific, with the description of a new genus and five new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 27:161-177. (Ref. 88966)

IUCN Rote Liste Status (Ref. 130435)

Daten mangelhaft (DD) ; Date assessed: 15 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Trophic level (Ref. 69278): 3.2 ±0.5 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Nielsenichthys pullus Schwarzhans & Møller, 2011