|
Coregonus duplex Fatio, 1890 |
| Family: | Salmonidae (Salmonids), subfamily: Coregoninae | |||
| Max. size: | 44 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Europe: Lake Walenstadt in Switzerland; and possibly Lake Zürich. | |||
| Diagnosis: | Distinguished from congeners by having the following unique characters: 24-28 gill rakers; snout blunt; and back arched. Additional characters useful for identification, but not unique, include 10-12 scale rows between dorsal fin origin and lateral line, and 8-9 between anal fin origin and lateral line (Ref. 59043). | |||
| Biology: | Inhabits close to bottom of lakes. Feeds on snails, worms and insects. Spawns in late November in very shallow water, over stones close to surf zone (Ref. 59043). | |||
| IUCN Red List Status: | Vulnerable (VU); Date assessed: 07 November 2023 (D2) Ref. (130435) | |||
| Threat to humans: | harmless | |||