Coregonus kiyi (Koelz, 1921)

Description


Dorsal spines (total): 0; Dorsal soft rays (total): 9 - 11; Anal spines: 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.

Taxonomic Hierarchy


Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Salmoniformes

Family: Salmonidae

Genus: Coregonus

Species: Coregonus kiyi (Koelz, 1921)

Climate Zone


  • Temperate
  • Location


  • 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.
  • Biology


    Inhabits open water.

    Habitat


    pelagic

    Conservation Status


    Vulnerable

    Threat to Humans


    Harmless