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Coregonus widegreni in Finland
Valaam whitefish

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Coregonus widegreni   Malmgren, 1863
Family:	Salmonidae (Salmonids) , subfamily: Coregoninae			picture (Cowid_u0.jpg) by JJPhoto
Order:	Salmoniformes  (salmons)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Valaam whitefish
Max. size:	50.0 cm TL (male/unsexed; Ref. 593); max. published weight: 2,000 g (Ref. 593)
Environment:	demersal ; depth range - 50 m
Climate:	temperate
Global Importance:	fisheries:
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (K=0.14-0.91; tm=3-5; tmax=19)
Distribution:	Europe: Germany, Poland, Sweden, Finland, and Russia.
Biology:	Specimens measuring 36-40 cm are more than 5 years old. 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 and planktonic invertebrates. Extirpated in Lakes Schaalsee and Selentersee. (Ref. 59043)
Threatened:	Data deficient, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Kottelat, M.. 1997. (Ref. 13696)
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Finland country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:
Salinity:	freshwater
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Lakes Inari, Tiais and Tshuolis.
Country Information:	www.cia.gov/cia/publications/factbook/geos/fi.html
Occurrences:	Occurrences    Point map
Main Ref:	Kottelat, M., 1997
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More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | National databases | PubMed | Scirus | Tree of Life | Zoological Record Other web sites |
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Froese, Rainer	Entered:  Torres, Armi G.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07