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Percalates colonorum (Günther, 1863)

Estuary perch
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Image of Percalates colonorum (Estuary perch)
No image available for this species;
drawing shows typical species in Percalatidae.


Fiji country information

Common names: [No common name]
Occurrence: introduced
Salinity: freshwater
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/fj.html
National Fisheries Authority: http://www.spc.org.nc/coastfish/Countries/fiji/fiji.htm
Occurrences: Occurrences Point map
Main Ref: Seeto, J. and W.J. Baldwin, 2010
National Database:

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Centrarchiformes (Basses) > Percalatidae (Australian basses)
Etymology:   More on author: Günther.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水; 半咸淡水 居于水底的; 降海洄游 (Ref. 123463).   亞熱帶的; 10°S - 40°S

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Oceania: Endemic to eastern and southern Australia.
大洋洲: 東方的特有種與澳洲南部。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 75.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 44894); common length : 40.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 5259); 最大体重: 10.0 kg (Ref. 5259); 最大年龄: 40 年 (Ref. 123463)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 9 - 10; 背的软条 (总数) : 8 - 11; 臀棘: 3; 臀鳍软条: 7 - 9; 脊椎骨: 25. Dark gray on back, becoming paler below with overall silvery sheen; lower sides and belly whitish; fins dusky brown to dark brown, darker distally (except pecorals).
深灰色背面, 变成腹面灰白具有全身银色光辉; 下侧与腹面微白色的; 鳍暗褐色的到深褐色的, 比较深色的末梢部地.(除 pecorals)

生物学特性     字汇 (例如 epibenthic)

An estuary-dependent catadromous fish inhabiting the tidal reaches of rivers, lakes and coastal lagoons where it is found (Ref. 7300, 123463); with salinities less than 1-2 ppt (Ref. 5259). Popular angling species that tends to swim near the bottom in deeper water. Feeds on small fishes, molluscs, worms, shrimps and other crustaceans. During winter (July and August) they move to the mouth of estuaries to breed (Ref. 44894). Individuals are long lived, reaching to more than 40 years (Ref. 123463). Oviparous, egg is pelagic (Ref. 5259) and hatches in 2-3 days. Male reaches maturity at a length of about 22 centimeters; female at about 28 centimeters (Ref. 44894).

出现于静水而激流的淡水。 (参考文献 7300) 最普遍发现于潮汐的水域, 也用盐度少于 1-2 ppt 出现于河川与湖泊中.(参考文献 5259) 出现于河口与低的, 河川中潮汐能达到的范围。 倾向在底部附近的游泳在深水中的受欢迎的钓鱼种。 吃小鱼,软件动物,蠕虫,虾与其他的甲壳动物。 在冬天 (七月与八月) 期间,他们移动到河口到繁殖的嘴巴。 (参考文献 44894). 卵生的, 卵是大洋性的 (参考文献 5259) 而且在 2-3 天中孵化。 雄性达成成熟在体长大约 22个公分;雌性在大約 28個公分.(參考文獻 44894)

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

Adults move downstream prior to spawning (Ref. 5259).大洋洲: 東方的特有種與澳洲南部。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 15 February 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业: 商业性; 游钓鱼种: 是的
FAO(Publication : search) | FishSource |

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Trophic ecology
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Ecology
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繁殖
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00423 - 0.02842), b=3.05 (2.83 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.5   ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High vulnerability (57 of 100).
价格分类 (Ref. 80766):   Unknown.