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Actinopterygii (ray-finned fishes) > Ophidiiformes (Cusk eels) > Bythitidae (Viviparous brotulas) > Brosmophycinae
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); eremitus: Named for the type locality's Latin translation, 'eremitus' for Hermit.. More on author: Schwarzhans, Nielsen.

Environment / Climate / Range Ecology

Marine; pelagic-neritic; depth range 0 - 16 m (Ref. 57884). Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Central Pacific: New Guinea-Solomon Island chain; off western Fiji.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 8.3 cm SL male/unsexed; (Ref. 57884)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 83-86; Anal soft rays: 66 - 71; Vertebrae: 42 - 44. The species is characterized by the following: vertebrae 11+31-33=42-44, dorsal fin rays 83-86, anal fin rays 66-71; eyes very large (?3.0% SL), D/V 5-6; the outer pseudoclasper is large, more than 2 times the length of inner pseudoclasper, wing-shaped, with broad base and slightly concave pointed tip without a fleshy bulge; inner pseudoclasper joined to outer pseudoclasper anteriorly, thin, with single pointed tip, short, not extending over anterior part of outer pseudoclasper; moderately broad scale patch on cheek with 5-6 scale rows on upper cheek, small scale patch on operculum above opercular spine (4-5 scales in 2 rows); head massive; otolith moderately slender, length to height 1.9-2.0 (Ref. 57884).

Solitary inhabitant of coral reef crevices, cryptic (Ref 90102).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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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. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FisheriesWiki |

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00447 (0.00175 - 0.01142), b=3.10 (2.88 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

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

Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Vulnerability (Ref. 59153): Low vulnerability (15 of 100) .

Entered by Capuli, Estelita Emily

Modified by Valdestamon, Roxanne Rei

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Diancistrus eremitus Schwarzhans, Møller & Nielsen, 2005