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Teleostei (teleosts) > Ophidiiformes (Cusk eels) > Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); brevirostris: Named for the short, blunt snout.
More on authors: Schwarzhans, Møller & Nielsen.

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

Marine; reef-associated; depth range 3 - 10 m (Ref. 57884). Tropical

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

Western Central Pacific: Loyalty (New Caledonia) and Vanuatu islands.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.9 cm SL male/unsexed; (Ref. 57884)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 71 - 82; Anal soft rays: 58 - 69; Vertebrae: 43 - 45. The species is distinguished by the following characters: vertebrae 11 + 32-34 = 43-45, dorsal fin rays 71-82, anal fin rays 58-69; eyes large (2.3-2.8% SL); outer pseudoclasper moderately large, broad, wing-shaped, with tip slightly bent outwards, with a characteristic kink at the base seen from ventral view; inner pseudoclasper bifurcate, both branches of about equal length, broad based, flap-like; narrow scale patch on cheek with 4-5 scale rows, no scales on operculum; head short, with blunt snout; otolith thick with gently curving dorsal rim (Ref. 57884).

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

Main reference Upload your references | References | Coordinator | Collaborators

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: Version 2024-1)

Least Concern (LC) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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More information

Trophic ecology
Food items
Diet composition
Food consumption
Food rations
Predators

Ecology
Ecology

Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance

Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics

Distribution
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FAO areas
Ecosystems
Occurrences
Introductions
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Anatomy
Gill area
Brain
Otolith

Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)

Genetics
Genetics
Heterozygosity
Heritability

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Stamps, coins, misc.

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Internet sources

Estimates based on models

Preferred temperature (Ref. 123201): 24.7 - 29.3, mean 27.4 °C (based on 239 cells).

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): 3.3 ±0.5 se; based on size and trophs of closest relatives

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

Diancistrus brevirostris Schwarzhans, Møller & Nielsen, 2005