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

Hong Kong country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/hk.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

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

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

Environment: milieu / climate zone / depth range / distribution range 生態學

海洋; 半鹹淡水; 深度上下限 5 - 8 m (Ref. 41639).   溫帶; 42°N - 15°N, 105°E - 142°E (Ref. 57343)

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Northwest Pacific: China, Japan and Viet Nam. Not reported from the vicinity of oceanic islands.
西北太平洋: 中國與日本。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 73.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 41639)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 9; 背的軟條 (總數) : 13 - 15; 臀棘: 3; 臀鰭軟條: 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).
胸的絲狀突起 4; 鰭薄膜黑色。 在兩邊上犛骨有易脫落的齒板。 顎骨的較後面的部分深的,3% 的 SL。 短齒碟延伸到下頜側面， 8-9% SL 。 (參考文獻 41639)

生物學特性     字彙 (例如 epibenthic)

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

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

西北太平洋: 中國與日本。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

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 瀕危狀態 (Ref. 130435)

  未評估 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




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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).
營養階層 (Ref. 69278):  3.8   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High vulnerability (56 of 100).