endemic to a single state or province
Regularity: Regularly occurring
Type of Residency: Year-round
Global Range: Phelps Lake, Washington County, North Carolina, where probably introduced via bait bucket.
Habitat Type: Freshwater
Non-Migrant: No. All populations of this species make significant seasonal migrations.
Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).
Locally Migrant: No. No populations of this species make annual migrations of over 200 km.
Number of Occurrences
Note: For many non-migratory species, occurrences are roughly equivalent to populations.
Estimated Number of Occurrences: 1 - 5
National NatureServe Conservation Status
Rounded National Status Rank: N1 - Critically Imperiled
NatureServe Conservation Status
Rounded Global Status Rank: G1 - Critically Imperiled
Comments: Phelps Lake population is threatened by excessive nutrient inputs and peat mining;
Names and Taxonomy
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