Family : Salmonidae
Genus : Coregonus
Species : lavaretus widegreni
Accepted scientific name: Coregonus widegreni Malmgren, 1863 (accepted name)
Synonyms:
Coregonus baerii Kessler, 1864 (synonym)
Coregonus gracilis Günther, 1866 (synonym)
Coregonus holsatus anarensis Järvi, 1928 (synonym)
Coregonus holsatus scallensis Thienemann, 1921 (synonym)
Coregonus holsatus suecica Thienemann, 1921 (synonym)
Coregonus lavaretus ludoga Polyakov, 1874 (ambiguous synonym)
Coregonus lavaretus okoniensis Kulmatycki, 1926 (synonym)
Coregonus lavaretus poljakovi Pravdin, 1931 (ambiguous synonym)
Coregonus lavaretus polonica Kulmatycki, 1926 (synonym)
Coregonus lavaretus widegreni Malmgren, 1863 (synonym)
Coregonus ludoga Polyakov, 1874 (ambiguous synonym)
Coregonus ludoga swirensis Polyakov, 1874 (ambiguous synonym)
Coregonus ludoga verchoswirka Polyakov, 1874 (ambiguous synonym)
Coregonus maraena holsata Thienemann, 1916 (synonym)
Coregonus tscholmugensis Danilewsky, 1873 (ambiguous synonym)
Coregonus widegreni ludoga (non Berg, 1916) (misapplied name)
Size / Weight / Age
Max length : 50.0 cm TL male/unsexed; max. published weight: 2,000 g
Length at first maturity
Lm ?, range 19 - 46 cm
Environment
Demersal; freshwater; depth range ? - 50 m
Climate / Range
Temperate
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. Oviparous. Eggs are buried in unguarded nests. Feeds on benthic and planktonic invertebrates. Extirpated in Lakes Schaalsee and Selentersee.
Common names:
Common name/ Language/ Country
Valaam-helt Danish Denmark
Pool whitefish English Former USSR
Valaam whitefish English Former USSR
Valaam whitefish English UK
Valaamka English Former USSR
Schalsee Maräne German Germany
Selenter Maräne German Germany
валаамка Russian Russian Fed
Kryazhevoi sig Russian Former USSR
Valaamka Russian Former USSR
Yamnyi sig Russian Former USSR
Zobatyi sig Russian Former USSR
Sandsik Swedish Sweden
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