Gymnocranius satoi, Blacknape large-eye bream

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Related species
- Species in
  Gymnocranius
- Species in
  Lethrinidae
- - Classification -
- Monotaxinae
- Lethrinidae
- Eupercaria/misc
- Teleostei
- Chordata
- Animalia

Gymnocranius satoi Borsa, Béarez, Paijo & Chen, 2013

Blacknape large-eye bream

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Native range

This map was computer-generated and has not yet been reviewed.

Gymnocranius satoi AquaMaps Data sources: GBIF OBIS

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Image of Gymnocranius satoi (Blacknape large-eye bream)

Gymnocranius satoi
Picture by Borsa, P.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Lethrinidae (Emperors or scavengers) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335); satoi: Named for Torao Sato, a Japanese ichthyologist.
Eponymy: Professor Torao Sato (d: 1945) is a Japanese ichthyologist with expertise in the Lethrinidae (the family of fishes to which this species belongs). [...] (Ref. 128868), visit book page.

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

marina pelagic-neritic; djupintervall 20 - 40 m (Ref. 107926). Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Western Pacific: New Caledonia, West Papua (Raja Ampat), southern Japan and possibly Australia (GBR), the Solomon Sea, Bismarck Sea and New Guinea.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 42.2 cm SL hane/ej könsbestämd; (Ref. 107926)

Short description Bestämningsnycklar | Morfologi | Morfometri

This high-bodied species is distinguished by the following characters: ratio of standard length to body depth between 2.39 and 2.45; bumpy forehead; the lower edge of eye well above axis of body; caudal fin is shallowly forked, the lobes convex on inner side; scale rows above lateral line 6; pored scales on lateral line 47-50; flanks silvery; scales above the lateral line possess a dark-grey basal patch forming longitudinal rows; scales in the three rows below lateral line in middle of flank also forming darker rows, but basal patch not as dark as above lateral line; snout an cheeks with blue speckles against bronze background, distinctive on fresh and larger individuals, but faint on smaller individuals; blue band joining the nostrils on forehead; the area immediately above eye (supraorbital shelf) forming a distinctive brownish to blackish eyebrow; more or less conspicuous vertical dark bar crossing the eye; dorsal, pectoral, anal and caudal fins are reddish to bright vermilion red; upper lip is reddish to red while the lower lip white (Ref. 107926).
Body shape (shape guide): fusiform / normal; Cross section: compressed.

This species apparently lives on the coral sandy bottom in the vicinity of coral reefs (Ref. 107926).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Borsa, P., P. Béarez, S. Paijo and W.-J. Chen, 2013. Gymnocranius superciliosus and Gymnocranius satoi, two new large-eye breams (Sparoidea: Lethrinidae) from the Coral Sea and adjacent regions. Comptes Rendus Biologies 336: 233-240. (Ref. 107926)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 12 April 2023

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Ytterligare information

Trophic ecology
Food items (preys)
Födosammansättning
Födointag
Food rations
Predatorer

Ecology
Ekologi

Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans

Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
Spawning aggregations
Ägg
Egg development
Larver
Larvdynamik

Distribution
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FAO områden
Ekosystem
Förekomster
Utplanteringar
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Anatomy
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Brain
Otolith

Physiology
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Syreförbrukning
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Visual pigments
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Genetics
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References
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01698 (0.00734 - 0.03932), b=2.98 (2.79 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.4 ±0.6 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (41 of 100).

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