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Coregonus widegreni Malmgren, 1863

Valaam whitefish
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Coregonus widegreni
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Germany country information

Common names: Schalsee Maräne, Selenter Maräne
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Lake Selenter See, Holstein and lake Schaal, Mecklenburg.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gm.html
National Fisheries Authority: http://www.ble.de/index.cfm?8C712107D9244972B3C193AC1917DCE7#Handelsbezeichnungen
Occurrences: Occurrences Point map
Main Ref: Kottelat, M., 1997
National Database: AGRDEU

Common names from other countries

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

Teleostei > Salmoniformes (Salmons) > Salmonidae (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).

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

; 淡水 居于水底的; 溯河洄游; 深度上下限 30 - 150 m (Ref. 59043).   溫帶

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

Europe: Baltic: Bothnian Gulf, Gotland (missing along Swedish coast southward of Stockholm); southern Baltic: from Germany to Gulf of Finland; several landlocked populations in Sweden (Lakes Vänern, Vättern, Locknesjön, Storvindeln, Storlaisan, Skalka-Parkijaur, Arjeplog) and Russia (Neva drainage, Lakes Ladoga and Onega).
歐洲: 德國,波蘭,瑞典,芬蘭與俄國。

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm 29.2, range 19 - 46 cm
Max length : 55.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 59043); 最大体重: 2.0 kg (Ref. 593); 最大年龄: 20 年 (Ref. 59043)

生物学特性     字汇 (例如 epibenthic)

Recorded from coastal waters at sea. Lacustrine, at depths greater than 30 m, in Lake Ladoga commonly at 50-150 m (Ref. 59043). Specimens measuring 36-40 cm are more than 5 years old. Spawns for the first time at 4-6 years (Ref. 59043). Spawns from the end of November to 20 December (Ref. 593). Oviparous (Ref. 205). Eggs are buried in unguarded nests (Ref. 205). Feeds on benthic invertebrates, especially gammarids, molluscs and insect larvae (Ref. 59043).

测量 36-40 公分的标本是超过 5 岁。 从十一月底到 20 十二月产卵。 (参考文献 593) 卵生的.(参考文献 205) 卵被埋藏在没有防卫的巢之中。 (参考文献 205)

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

Distinct pairing (Ref. 205).歐洲: 德國,波蘭,瑞典,芬蘭與俄國。

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

Kottelat, M., 1997. European freshwater fishes. An heuristic checklist of the freshwater fishes of Europe (exclusive of former USSR), with an introduction for non-systematists and comments on nomenclature and conservation. Biologia, Bratislava, 52/Suppl. 5:1-271. (Ref. 13696)

世界自然保护联盟红皮书 (Ref. 130435)

  数据缺失 (DD) ; Date assessed: 01 January 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00325 - 0.00886), b=3.22 (3.08 - 3.36), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.4   ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.14-0.91; tm=3-5; tmax=19).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (47 of 100).