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Bidyanus bidyanus (Mitchell, 1838)

Silver perch
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Bidyanus bidyanus
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Philippines country information

Common names: [No common name]
Occurrence: not established
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: likely future use | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Roger Pullin, pers. comm.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
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

> Centrarchiformes (Basses) > Terapontidae (Grunters or tigerperches)
Etymology: Bidyanus: A local name, "bidyani" in Australia, New South Wales.

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

; 新鮮な水 底生の漂泳性; potamodromous (Ref. 51243); 深さの範囲 10 - ? m.   Subtropical; 10°C - 30°C (Ref. 2060); 29°S - 35°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

Oceania: known only from the Murray-Darling River system, Australia. Range boundaries: Chinchilla (on the Condamine River), South Queensland, Bonshaw (on the Dumaresq River), northeastern New South Wales, Albury (on the Murray River), southeastern New South Wales, Seven Creek and Goulburn River, South Victoria.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm ?, range 34 - ? cm
Max length : 40.0 cm SL オス/雌雄の選別がない; (Ref. 2906); common length : 30.0 cm SL オス/雌雄の選別がない; (Ref. 44894); 最大公表体重: 1.5 kg (Ref. 5259)

生物学     用語集 (例 epibenthic)

Adults are found in rivers, lakes and reservoirs, preferring fast-flowing waters of rapids and races and usually forming aggregations near the surface. Usually found below rapids and weirs (Ref. 44894). Feed on aquatic insects, mollusks, earthworms and plants. Temp.: 2-37°C. Maturity: F, 3 y and 34 cm SL; M, 23.3 cm SL. Spawning: summer (Nov.-Jan., 23-30°C water temp.), effect upstream migration. Fecundity: 500000 eggs per 1.8kg. Eggs: pelagic, 2.7-2.8 mm diameter. Hatching: 30 hrs at 26-27°C. Larvae: 3.6 mm at hatching. A good angling and food fish which has been increasingly utilized as an aquaculture species in farm dams throughout Australia (Ref. 44894).

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

Upstream spawning migration in summer to areas behind the peak of the flood. Spawning commences late in the afternoon from the surface to a depth of about 4 m, where there is a flow over a gravel, rock rubble substrate. Considerable spawning activity happens at the water surface. A single female circles slowly to the surface with her head deep and several males participate in courtship and finally in fertilization (Ref. 2906).

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

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)

IUCNのレッドリストの状況は (Ref. 130435)

  絶滅危惧に近い (NT) ; Date assessed: 13 February 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless (Ref. 2906)




Human uses

水産業: 商業; 水産養殖: 商業; ゲームフィッシュ: はい
FAO(Aquaculture systems: 代謝; ; publication : search) | FishSource |

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

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00638 - 0.04320), b=2.99 (2.76 - 3.22), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.0   ±0.34 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 (tm=2-3).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (39 of 100).
価格帯 (Ref. 80766):   Unknown.