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> Ophidiiformes (Cusk eels) > Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); robustus: Named for its massive head..
More on authors: Schwarzhans, Møller & Nielsen.

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

समुद्री प्रवाल-भित्ति संयुक्त; गहराई सीमा 0 - 8 m (Ref. 57884). Tropical

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Central Pacific: Viti Levu Island, Fiji.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.2 cm SL पुल्लिंग / अलिंग; (Ref. 57884)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 77; ऐनल सौफट रेज़: 63; जानवरों की रीड़ का जोड़: 43. The species is characterized by the following: vertebrae 11+32=43, dorsal fin rays 77, anal fin rays 63; very small eyes (1.8% SL); outer pseudoclasper with short, small ear-lobe extension, opening towards anterior; inner pseudoclasper firmly joined to outer pseudoclasper anteriorly, with supporter, forming a robust thorn, almost as long as outer pseudoclasper; narrow scale patch on cheek, no scales on operculum; the head profile is massive (width 16.6% SL) with blunt snout (Ref. 57884).

Life cycle and mating behavior Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा

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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)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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अधिक जानकारी

Trophic ecology
खाद्य पदार्थ
Diet compositions
Food consumptions
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परभक्षी

Ecology
पारिस्थितिकी

Population dynamics
Growths
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Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
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Maturities
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Distribution
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Stamps, coins, misc.

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इंटरनेट स्रोत

Estimates based on models

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

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).

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Diancistrus robustus Schwarzhans, Møller & Nielsen, 2005