BC Conservation Data Centre: Conservation Status Report
Chrosomus eos x Chrosomus neogaeus
Northern Redbelly Dace X Finescale Dace
| Scientific Name: | Chrosomus eos x Chrosomus neogaeus |
|---|---|
| Scientific Name Synonyms: |
Phoxinus eos x Phoxinus neogaeus
|
| English Name: | Northern Redbelly Dace X Finescale Dace |
| Provincial Status Summary | |
| Status: | S2 |
| Date Status Assigned: | May 15, 2019 |
| Date Last Reviewed: | May 15, 2019 |
| Reasons: | Only three occurrences known; perhaps there are more but the hybrid origin of this population and its persistence despite the absence of one of the parent species makes it an uncommon and interesting biological event. |
| Range | |
| Range Extent: | EF = 5,000-200,000 square km |
| Range Extent Comments: | "Previously known from Graveyard Creek, a tributary of the Pine River, near Chetwynd. Recently discovered in Tsinhia Lake, Fort Nelson River system..." (Cannings and Ptolemy 1998). |
| Occurrences & Population | |
| Number of Occurrences: | A = 1 - 5 |
| Comments: | Records are from Torpid Creek, Tsinhia Lake and Graveyard Creek (Cannings and Ptolemy 1998; (Ministry of Environment and Climate Change Strategy ? Knowledge Management ND; accessed April 25, 2019). |
| Number of Occurrences with Good Viability / Ecological Integrity: | Rank Factor not assessed |
| Number of Occurrences Appropriately Protected & Managed: | A = None |
| Population Size: | U = Unknown |
| Threats (to population, occurrences, or area affected) | |
| Degree of Threat: | Rank Factor not assessed |
| Comments: | Restricted distribution may make the population vulnerable to disturbances such as logging. |
| Trend (in population, range, area occupied, and/or condition of occurrences) | |
| Short-Term Trend: | U = Unknown |
| Long-Term Trend: | U = Unknown |
| Other Factors | |
| Intrinsic Vulnerability: | Rank Factor not assessed |
| Environmental Specificity: | Rank Factor not assessed |
| Other Rank Considerations: | The hybridogen nature of this population makes it very interesting and valuable biologically. |
| Information Gaps | |
| Research Needs: | |
| Inventory Needs: | Other hybrid populations should be searched for in northeastern British Columbia. |
| Stewardship | |
| Protection: | |
| Management: | |
| Version | |
| Author: | Cannings, S.G., L. Gelling |
| Date: | April 29, 2019 |
| References | |
|
Cannings, S.G., and J. Ptolemy. 1998. Rare freshwater fish of British Columbia. B.C. Minist. Environ. Victoria, BC.
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Please visit the website Conservation Status Ranks for information on how the CDC determines conservation status ranks. For global conservation status reports and ranks, please visit the NatureServe website http://www.natureserve.org/.
Suggested Citation:
B.C. Conservation Data Centre. 2019. Conservation Status Report: Chrosomus eos x Chrosomus neogaeus. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jan 24, 2025).