Coregonus muksun, Muksun : fisheries

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Coregonus muksun (Pallas, 1814)

Muksun
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Coregonus muksun
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分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 輻鰭魚綱 (條鰭魚) > Salmoniformes (Salmons) 鮭形目 (Salmons) > Salmonidae (Salmonids) 鮭科 (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).  More on author: Pallas.

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

; 海洋; 淡水; 半鹹淡水 底中水層性; 溯河洄游 (Ref. 51243).   極; 78°N - 63°N, 58°E - 163°E

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Arctic Ocean basin, from Kara to Kolyma drainages. Introduced or stocked in many lakes in northern and central Russia (Ref. 59043).
前蘇聯: 北極海的淡化的部分從喀拉海河到科力馬河河在俄國進入河。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm ?, range 42 - 50 cm
Max length : 90.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 59043); 最大體重: 13.8 kg (Ref. 593); 最大年齡: 23 年 (Ref. 593)

生物學特性     字彙 (例如 epibenthic)

Anadromous, semi-anadromous, lacustrine, lacustrine-riverine, and riverine stocks have been reported. Most stocks are migratory, spending most of year at sea, sometimes rather far from coast (Ref. 59043). Stays mainly in the lower reaches of the rivers (Ref. 593) with slow current, large lakes and their tributaries, floodplain lakes, deltas and estuaries, marine waters with salinity up to 6-10%. Enters rivers in July - August and reaches spawning sites by October - November. In larger rivers, moves upriver up tp 2000 km (average speed 20 km/day). Spawns for the first time at 6-14 years, 47-50 cm SL. Spawns in rapids or shallows, at 1-2°C, when rivers start freezing. Adults leave spawning sites in winter (Ref. 59043). Eggs are buried in unguarded nests (Ref. 205). Eggs hatch in 150-180 days; peak hatching usually in April. Juveniles feed on plankton in winter (during which they do not cease active foraging) and benthic invertebrates in summer (Ref. 59043). Status of threat: Important commercial species but rapidly declining (Ref. 59043).

停留主要在河的下面範圍.(參考文獻 593) 卵生的.(參考文獻 205) 卵被埋藏在沒有防衛的巢之中。 (參考文獻 205)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

Distinct pairing (Ref. 205).前蘇聯: 北極海的淡化的部分從喀拉海河到科力馬河河在俄國進入河。

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

Berg, L.S., 1962. Freshwater fishes of the U.S.S.R. and adjacent countries. volume 1, 4th edition. Israel Program for Scientific Translations Ltd, Jerusalem. (Russian version published 1948). (Ref. 593)

IUCN 瀕危狀態 (Ref. 123251)

  無危 (LC) ; Date assessed: 01 January 2008

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

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漁業: 高經濟性
FAO(Publication : search) | FishSource | 周邊海洋

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00267 - 0.00651), b=3.24 (3.11 - 3.37), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.5   ±0.3 se; based on size and trophs of closest relatives
Generation time: 10.0 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (tmax=23).
瀕危性 (Ref. 59153):  High vulnerability (63 of 100) .
價格種類 (Ref. 80766):   Very high.