Salvelinus willoughbii (Günther, 1862)
Char

Family:  Salmonidae (Salmonids), subfamily: Salmoninae
Max. size:  30 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Europe: Lakes Windermere and possibly Ennerdale Water (Cumbria) in England, United Kingdom.
Diagnosis:  Distinguished from congeners in British Isles by the combination of the following characters: coloration of flank bluish brown with numerous medium orange spots, belly orange; pectoral, pelvic and anal fins reddish brown to bright red, with white anterior margin; interorbital space convex; eye diameter about equal to snout length at 12-14 cm SL, 4.3-5.9 times in HL; length of lower jaw at most 2/3 of HL; snout conical, upper jaw not protruding; maxilla reaching posterior margin of eye in adult males; and 11-16 gill rakes on lower limb (Ref. 59043).
Biology:  Inhabits deep lakes. Spawns in early November, in shallow water (1-3 m deep) and in main tributaries, on stone bottom. Eggs hatch in 64-80 days. Attains a maximum size of up to about 30 cm SL (Ref. 59043).
IUCN Red List Status: Endangered (EN); Date assessed: 01 January 2008 (B1ab(iii)+2ab(iii)) Ref. (130435)
Threat to humans:  harmless


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