Misty Lake sticklebacks COSEWIC asessment and status report: chapter 1

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Assessment Summary

Assessment Summary – November 2006

Common name: Misty Lake Lentic Stickleback

Scientific name: Gasterosteus sp.

Status: Endangered

Reason for designation: This lake-dwelling fish is part of an endemic, highly divergent species pair restricted to a single stream-lake complex on Vancouver Island with an extremely small area of occurrence. This species pair could quickly become extinct due the introduction of non-native aquatic species or perturbations to the habitat. Proximity of this complex to a major highway and public access make an introduction likely. Logging activities in the watershed, as well as highway use and related maintenance, could impact habitat quality to some degree.

Occurrence: British Columbia

Status history: Designated Endangered in November 2006. Assessment based on a new status report.

Assessment Summary – November 2006

Common name: Misty Lake Lotic Stickleback

Scientific name: Gasterosteus sp.

Status: Endangered

Reason for designation: This stream-dwelling fish is part of an endemic, highly divergent species pair restricted to a single stream-lake complex on Vancouver Island with an extremely small area of occurrence. This species pair could quickly become extinct due the introduction of non-native aquatic species or perturbations the habitat. Proximity of this complex to a major highway and public access make an introduction likely. Logging activities in the watershed, as well as highway use and related maintenance, could impact habitat quality to some degree.

Occurrence: British Columbia

Status History: Designated Endangered in November 2006. Assessment based on a new status report.