| Family: |
Salmonidae (Salmonids), subfamily: Coregoninae |
| Max. size: |
35 cm TL (male/unsexed); max. reported age: 10 years |
| Environment: |
pelagic; freshwater |
| Distribution: |
North America: found only in Great Lakes (except Lake Erie), Canada-USA. This species is common in Lake Superior, extremely rare, possibly extirpated, in Lakes Huron and Ontario, and endangered in Lake Michigan. |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 9-11; Anal spines: 0-0; Anal soft rays: 9-16; Vertebrae: 55-58. Body elongate, distinctly compressed laterally, and thin, greatest body depth in front of dorsal fin. Head about 23 - 26% of total length; eye large, but shorter than snout; snout always longer than eye diameter; mouth terminal, lower jaw usually projecting beyond the upper, usually with a distinct symphyseal knob or projecting posteriorly to below the anterior half of the eye. Overall coloration silvery with pink or purple iridescence, dark on back, silvery on sides, white below; often dark on tip of lower jaw, top of head, back and on dorsal and caudal fins. Pelvic fins usually immaculate. |
| Biology: |
Inhabits open water. |
| IUCN Red List Status: |
Vulnerable (VU); Date assessed: 04 November 2011 (D2) Ref. (130435)
|
| Threat to humans: |
harmless |
| Country info: |
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