Coregonus hubbsi - (Koelz, 1929)
Ives Lake Cisco
Taxonomic Status: Accepted
Unique Identifier: ELEMENT_GLOBAL.2.100798
Element Code: AFCHA01160
Informal Taxonomy: Animals, Vertebrates - Fishes - Bony Fishes - Salmon and Trouts
 
Kingdom Phylum Class Order Family Genus
Animalia Craniata Actinopterygii Salmoniformes Salmonidae Coregonus
Genus Size: D - Medium to large genus (21+ species)
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Concept Reference
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Concept Reference: Hubbs, C.L., and K.F. Lagler. Revised by G.R. Smith. 2004. Fishes of the Great Lakes region. University of Michigan Press, Ann Arbor. xvii + 276 pp.
Concept Reference Code: B04HUB01NAUS
Name Used in Concept Reference: Coregonus hubbsi
Taxonomic Comments: Hubbs and Lagler (2004) listed this taxon as a distinct species, but Nelson et al. (2004), Bailey et al. (2004), Jelks et al. (2008), and Page and Burr (2011) did not (included in Coregonus artedi).
Conservation Status
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NatureServe Status

Global Status: G1Q
Global Status Last Reviewed: 04Nov2011
Global Status Last Changed: 20Aug1997
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G1 - Critically Imperiled
Reasons: Known only from Ives Lake, Michigan; current conservation status unknown; last caught in 1983; status as a distinct species is questionable, not generally recognized as such.
Nation: United States
National Status: NNR

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Michigan (S1)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent: Zero to <100 square km (zero to less than about 40 square miles)
Range Extent Comments: This taxon is known only from Ives Lake in the Huron Mountains, northwest of Marquette, Michigan.

Area of Occupancy: 0-25 4-km2 grid cells
Area of Occupancy Comments:  

Number of Occurrences: 0 - 5
Number of Occurrences Comments: Known only from Ives Lake, Michigan; last observed in 1983.

Population Size: Unknown
Population Size Comments: Total adult population size is unknown; there has not been enough sampling for a good estimation.

Number of Occurrences with Good Viability/Integrity: None to very few (0-3)

Overall Threat Impact: Unknown
Overall Threat Impact Comments: Possibly young ciscoes are negatively impacted by stocked trout (Todd, pers. comm. 1993), but too little is known about life-history to determine major threats. The single occurrence is highly vulnerable to local destructive events.

Short-term Trend: Unknown
Short-term Trend Comments: Trend is unknown; this nominal species has not been seen since 1983.

Long-term Trend: Unknown

Other NatureServe Conservation Status Information

Inventory Needs: Determine if species is extant in Ives Lake; if so, determine abundance and protection and stewardship needs, and begin population monitoring.

Protection Needs: Ives Lake should be protected from over-fishing and from the spread of exotic species that may compete with or prey on ciscoes.

Distribution
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Global Range: (Zero to <100 square km (zero to less than about 40 square miles)) This taxon is known only from Ives Lake in the Huron Mountains, northwest of Marquette, Michigan.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map
Endemism: endemic to a single state or province

U.S. & Canada State/Province Distribution
United States MI

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
MI Marquette (26103)*
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
04 Dead-Kelsey (04020105)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
U.S. Distribution by Watershed (based on multiple information sources) Help
Ecology & Life History
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Basic Description: A fish (cisco) usually less than 20 cm long.
General Description: An elliptical, laterally compressed fish usually less than 200 mm long and covered with silvery scales.
Habitat Type: Freshwater
Non-Migrant: Y
Locally Migrant: N
Long Distance Migrant: N
Lacustrine Habitat(s): Deep water, Shallow water
Habitat Comments: Lake-dweller.
Adult Food Habits: Planktivore
Immature Food Habits: Planktivore
Economic Attributes Not yet assessed
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Management Summary
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Biological Research Needs: Should a population exist, the following may be appropriate. Genetic research is needed to help establish the taxonomic distinctness of the Ives Lake cisco (Todd, pers. comm. 1994). The minimum population size needed to maintain genetic viability should be investigated. The following research needs are taken the status report on the shortjaw cisco (Coregonus zenithicus) by Walker (1992) and modified as they apply to the Ives Lake cisco. Sampling is needed to determine growth rates, fishing and natural mortality rates, age at maturity and fecundity. It is also necessary to sample to locate and determine characteristics of spawning sites, such as depth, temperature and substrate type. Once spawning sites are identified emergent fry can be sampled and related diet studies can be conducted. Determination of the predators and competitors of the Ives Lake cisco is necessary to determine the role of this cisco within its environment. Since environmental contamination may have affected the ciscoes, baseline contaminant information should be collected, including measures of the total body burdens of organochlorine compounds and heavy metals, analysis of prey contamination levels, and sampling of eggs to determine their level of contamination. The genetic material of the Ives Lake cisco should be examined by gel electrophoresis and mitochondrial DNA sequencing. This will allow the estimation of the degree of hybridization which may have affected the cisco.
Population/Occurrence Delineation
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Group Name: Nonanadromous Salmonids

Use Class: Not applicable
Subtype(s): Spawning Area
Minimum Criteria for an Occurrence: Occurrences are based on evidence of historical presence, or current and likely recurring presence, at a given location. Such evidence minimally includes collection or reliable observation and documentation of one or more individuals (including eggs and larvae) in appropriate habitat.
Mapping Guidance: Conceptually, the occurrence includes the entire area used by the population, including spawning, rearing, migration, and wintering areas. Occupied locations that are separated by a gap of 10 km or more of any aquatic habitat that is not known to be occupied represent different occurrences. However, it is important to evaluate migrations and seasonal changes in habitat (see separation justification) to ensure that spawning areas and nonspawning areas for a single population are not artificially segregated as different occurrences simply because there have been no collections/observations in an intervening area that may exceed the separation distance.
Separation Barriers: Dam lacking a suitable fishway; high waterfall; upland habitat.
Alternate Separation Procedure: Separation distance is 10 stream-km for both suitable and unsuitable habitat. However, if it is known that the same population occupies sites separated by more than 10 km (e.g., this may be common for migratory populations), those sites should be included within the same occurrence. In lakes, occurrences include all suitable habitat that is presumed to be occupied (based on expert judgment), even if documented collection/observation points are more than 10 km apart. Separate sub-occurrences or source features may usefully document locations of critical spawning areas within a lake.

Separation Justification: Separation distance is arbitrary; little is known about juvenile dispersal (e.g., how far fishes may move between between their embryonic developmental habitat and eventual spawning site). "Restricted movement is the norm in populations of stream salmonids during nonmigratory periods," but there is considerable variation in movements within and among species (Rodriguez 2002).

Migrations can be extensive. For example, in the Kennebecasis River, New Brunswick, brook trout moved upstream 65-100 km in spring after ice loss; summer movements were minimal; movements to spawning areas in fall were less than 10 km, then the fish moved back downstream to wintering areas in the lower to middle reaches of the river (Curry et al. 2002).

Because of the difficulty in defining suitable versus unsuitable habitat, especially with respect to dispersal, and to simplify the delineation of occurrences, a single separation distance is used regardless of habitat quality.

Date: 11Mar2003
Author: Hammerson, G.
Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 17May2009
NatureServe Conservation Status Factors Author: Whittaker, J. C., and G. Hammerson
Element Ecology & Life History Edition Date: 23Feb1995
Element Ecology & Life History Author(s): Hammerson, G.

Zoological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).

References
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  • Bailey, R. M., W. C. Latta, and G. R. Smith. 2004. An atlas of Michigan fishes with keys and illustrations for their identification. University of Michigan Museum of Zoology Miscellaneous Publications No. 192. iv + 215 pp.

  • Hubbs, C.L., and K.F. Lagler. Revised by G.R. Smith. 2004. Fishes of the Great Lakes region. University of Michigan Press, Ann Arbor. xvii + 276 pp.

  • Jelks, H. L., S. J. Walsh, N. M. Burkhead, S. Contreras-Balderas, E. Díaz-Pardo, D. A. Hendrickson, J. Lyons, N. E. Mandrak, F. McCormick, J. S. Nelson, S. P. Platania, B. A. Porter, C. B. Renaud, J. Jacobo Schmitter-Soto, E. B. Taylor, and M.L. Warren, Jr. 2008. Conservation status of imperiled North American freshwater and diadromous fishes. Fisheries 33(8):372-407.

  • NatureServe. Unpublished. Concept reference for taxa for which no reference which describes the circumscription has been recorded; to be used as a placeholder until such a citation is identified.

  • Nelson, J. S., E. J. Crossman, H. Espinosa-Perez, L. T. Findley, C. R. Gilbert, R. N. Lea, and J. D. Williams. 2004. Common and scientific names of fishes from the United States, Canada, and Mexico. American Fisheries Society, Special Publication 29, Bethesda, Maryland. 386 pp.

  • Page, L. M., and B. M. Burr. 2011. Peterson field guide to freshwater fishes of North America north of Mexico. Second edition. Houghton Mifflin Harcourt, Boston. xix + 663 pp.

  • Rodriguez, M. A. 2002. Restricted movement in stream fish: the paradigm is complete, not lost. Ecology 83(1):1-13.

  • Walker, S. H. 1992. Status of the shortjaw cisco (Coregonus zenithicus) in the Great Lakes Basin. Unpublished, draft report to the U. S. Fish and Wildlife Service, East Lansing, MI. 18pp.

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