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Eleutheronema rhadinum (Jordan & Evermann, 1902)

East Asian fourfinger threadfin
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Native range | All suitable habitat | Point map | Year 2050
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Eleutheronema rhadinum   AquaMaps   Data sources: GBIF OBIS
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Image of Eleutheronema rhadinum (East Asian fourfinger threadfin)
Eleutheronema rhadinum
Picture by The Fish Database of Taiwan

China country information

Common names: Gor-ah, Shi-jih-ma-fa-yu, Shi-jih-ma-fa-yu
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Recorded from Guangzhou, mouth of Qian-tang River, Choushan Islands, Taiwan and Hong Kong (Ref. 41639). Also Ref. 57343.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ch.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Motomura, H., Y. Iwatsuki, S. Kimura and T. Yoshino, 2002
National Database:

Common names from other countries

Barbure à quatre doigts d'Asie, Barbudo cuatro dedos de Asia, زعنفة رقيقة ذات أربعة أصابع شرق آسيا, ... more

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

> Carangaria/misc (Various families in series Carangaria) > Polynemidae (Threadfins)
Etymology: Eleutheronema: Greek, eleutheros = free + Greek, nema = filament (Ref. 45335).
  More on authors: Jordan & Evermann.

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

marina; brackvatten; djupintervall 5 - 8 m (Ref. 41639).   Temperate; 42°N - 15°N, 105°E - 142°E (Ref. 57343)

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

Northwest Pacific: China, Japan and Viet Nam. Not reported from the vicinity of oceanic islands.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 73.9 cm SL hane/ej könsbestämd; (Ref. 41639)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 9; Mjukstrålar i ryggfenan (totalt) : 13 - 15; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 14 - 16. Pectoral filaments 4; fin membranes black. Vomer with deciduous tooth plates on both sides. Posterior part of maxilla deep, 3% of SL. Short tooth plate extension onto lateral surface of lower jaw, 8-9% SL (Ref. 41639).

Biologi     Ordlista (t.ex. epibenthic)

Found in shallow coastal waters and estuaries (Ref. 125475).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Motomura, H., Y. Iwatsuki, S. Kimura and T. Yoshino, 2002. Revision of the Indo-West Pacific polynemid fish genus Eleutheronema (Teleostei: Perciformes). Ichthyol. Res. 49(1):47-61. (Ref. 41639)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer
Ecology
Ekologi
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproduktion
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larver
Larvdynamik
Distribution
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Anatomy
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Hjärnstorlek
Otoliths
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Body compositions
Nutrients
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Swimming type
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Visual pigment(s)
Fiskljud
Diseases / Parasites
Toxicities (LC50s)
Genetics
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Vattenbruksprofiler
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Ciguatera cases
Stamps, coins, misc.
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Taxonomy
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synonymer
Morfologi
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Bilder
References
referenser

Verktyg

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Special reports

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Summary page | Point data | Populärnamn | Photos

Internet-källor

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(Släkte, Arter) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Nationella databaser | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, sök) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 20.4 - 26.9, mean 24.7 (based on 176 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00269 - 0.01173), b=3.06 (2.87 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.8   ±0.4 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):  High vulnerability (56 of 100).