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Atractoscion aequidens (Cuvier, 1830)

Geelbeck croaker
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Atractoscion aequidens   AquaMaps   Data sources: GBIF OBIS
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Image of Atractoscion aequidens (Geelbeck croaker)
Atractoscion aequidens
Picture by Chao, N.L.


South Africa country information

Common names: Geelbek, Geelbek
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref: van der Elst, R.P. and F. Adkin (eds.), 1991
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Occurs throughout the South African coast. Stock depressed; major seasonal component of commercial and recreational line catches in Natal and the southern coast (Ref. 4332). Angling record: 11.2 kg; spearfishing record: 11.4 kg (Ref. 12484). Also Ref. 9772, 75154.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Heemstra, P.C., 1986
National Database:

Common names from other countries

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Etymology: Atractoscion: Greek, atraktos, arrow + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
  More on author: Cuvier.

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

底生の漂泳性; 深さの範囲 15 - 200 m (Ref. 3593), usually 100 - 200 m (Ref. 3593).   Tropical; 14°N - 28°S

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Western Indian Ocean: off Mozambique and South Africa.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm ?, range 65 - ? cm
Max length : 130 cm TL オス/雌雄の選別がない; (Ref. 4373); common length : 90.0 cm SL オス/雌雄の選別がない; (Ref. 9772); 最大公表体重: 25.0 kg (Ref. 4373)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 10 - 11; 背鰭 (合計) : 25 - 32; 肛門の骨: 2; 臀鰭: 9 - 10. Body silvery (Ref. 4373).

生物学     用語集 (例 epibenthic)

Found in coastal waters, over sand muddy bottom. Juveniles enter estuaries. Adults feed on pelagic fishes at night. Often caught with Umbrina canariensis. Feeds on pelagic fish such as mackerel and horse mackerel (Ref. 36731). Marketed fresh, flesh highly esteemed (Ref. 9772).

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

Chao, L.N. and E. Trewavas, 1990. Sciaenidae. p. 813-826. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3593)

IUCNのレッドリストの状況は (Ref. 130435)

  絶滅危惧に近い (NT) (A2b); Date assessed: 25 September 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 商業; ゲームフィッシュ: はい
FAO(水産業: 代謝; publication : search) | FishSource | 私達の周りの海

より多くの情報

Trophic ecology
食品種目概要について
Diet compositions
Food consumptions
Food rations
捕食動物
Ecology
生態学
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
体長組成
Mass conversions
Recruitments
Abundances
Life cycle
繁殖
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
幼生
幼生の動力
Anatomy
Gill areas

Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
水泳形態
Swimming speeds
Visual pigment(s)
魚の音
Diseases / Parasites
Toxicities (LC50s)
Genetics
遺伝子の
Electrophoreses
Heritabilities
Human related
Aquaculture systems
水産養殖の紹介
緊張
Ciguatera cases
Stamps, coins, misc.
Outreach
協力者
References
参考文献

用具

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インターネットの情報源

Estimates based on models

Preferred temperature (Ref. 115969): 14 - 26.5, mean 18.7 (based on 131 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00413 - 0.01752), b=3.08 (2.91 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  4.5   ±0.80 se; based on food items.
回復力 (Ref. 120179):  低い, 4.5年~14年の倍増期間の最小個体群 (K=0.27; tm=5).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (51 of 100).
Climate Vulnerability (Ref. 125649):  Very high vulnerability (83 of 100).
価格帯 (Ref. 80766):   Medium.