Polydactylus sexfilis, Sixfinger threadfin : fisheries, aquaculture, gamefish, aquarium

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Polydactylus sexfilis (Valenciennes, 1831)

Sixfinger 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.
Polydactylus sexfilis   AquaMaps   Data sources: GBIF OBIS
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

> Carangaria/misc (Various families in series Carangaria) > Polynemidae (Threadfins)
Etymology: Polydactylus: Greek, poly = a lot of + greek, daktylos = finger (Ref. 45335).
More on author: Valenciennes.

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

; 新鮮な水; 汽水性の 関連する礁; 深さの範囲 1 - 50 m (Ref. 57343), usually 20 - 50 m (Ref. 9685). Tropical; 34°N - 23°S, 50°E - 148°W (Ref. 57343)

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Indo-Pacific: mainly around oceanic islands. Known from Mauritius, Seychelles, Kenya and many islands of the northern Indian Ocean; then from Indonesia north to the Ryukyu, Ogasawara and Yaeyama islands and east to the Hawaiian Islands, French Polynesia and Pitcairn. Has not been collected in Australia (Ref. 57343).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 61.0 cm TL オス/雌雄の選別がない; (Ref. 4887); 最大公表体重: 3.2 kg (Ref. 4699)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 9; 背鰭 (合計): 13; 肛門の骨 3; 臀鰭: 11. Body uniformly golden silver; occasionally with several faint dark stripes along longitudinal scale rows above and below lateral line. Pectoral filaments 6 with tip of uppermost filament reaching to or slightly beyond level of posterior tip of upper part of pectoral fin (Ref. 41110).

生物学     用語集 (例 epibenthic)

This schooling species occurs along sandy and rocky shorelines and over sandy lagoon bottoms, often in zones of turbulence (Ref. 9685). Benthopelagic (Ref. 58302). Often encountered in river mouths or brackish mangrove estuaries. Feeds mainly on crustaceans (shrimps and crabs), polychaete worms, other benthic invertebrates; also on teleosts (Ref. 9685). A lunar spawning rhythm occurs close to shore (Ref. 9685). Sexual maturity in males occurs at 12 to 15 cm (Ref. 9685). Subsequently undergoes sex reversal passing through a hermaphroditic stage, and become female between 18 and 24 cm (Ref. 9685). The potential of this species for aquaculture has been studied (Ref. 9685).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Motomura, H., 2004. Threadfins of the world (Family Polynemidae). An annotated and illustrated catalogue of polynemid species known to date. FAO Spec. Cat. Fish. Purp. Rome: FAO. 3:117 p. (Ref. 57343)

IUCNのレッドリストの状況は (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 商業; 水産養殖: 実験の; ゲームフィッシュ: はい; 水族館・水槽: 商業
FAO - 水産養殖: 代謝; ; Publication: search | FishSource | 私達の周りの海

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共通名の
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代謝
捕食動物
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繁殖
成熟
放精
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形態計測学
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参考文献
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シガテラ(食中毒の名前)
速度
泳ぐ 型式
カマ
Otoliths

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インターネットの情報源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: 部類, | DiscoverLife | ECOTOX | FAO - 水産養殖: 代謝; ; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: ゲノム, ヌクレオチド | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | 国のデーターベース | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 生命の木 | Wikipedia: 行く, 検索する | World Records Freshwater Fishing | 動物に関する記録

Estimates based on models

Preferred temperature (Ref. 123201): 24.1 - 29, mean 27.9 °C (based on 1038 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.01045 - 0.03170), b=3.11 (2.96 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
栄養段階 (Ref. 69278):  3.4   ±0.49 se; based on food items.
回復力 (Ref. 120179):  手段, 1.4年~4.4年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (44 of 100).
価格帯 (Ref. 80766):   Very high.
Nutrients (Ref. 124155):  Calcium = 38.5 [16.0, 64.6] mg/100g; Iron = 0.484 [0.247, 0.933] mg/100g; Protein = 19.8 [18.0, 21.6] %; Omega3 = 0.111 [0.072, 0.175] g/100g; Selenium = 37.4 [19.5, 80.0] μg/100g; VitaminA = 31.6 [8.9, 109.8] μg/100g; Zinc = 1.02 [0.68, 1.55] mg/100g (wet weight);