none none 20764324 20764332 Freshwater Crayfish Freshwater Crayfish Recent Range Records of Crayfish (Faxonius) From Far North Ontario, Canada Jane Devlin David V. Beresford 28 1 63 2023 full_text 10.5869/fc.2023.v28-1.63 0278-0372 1937-240X Journal of Crustacean Biology Prevalence and potential evolutionary significance of color variants in freshwater crayfishes (Decapoda: Astacidea) Zackary A Graham 43 3 ruad054 2023 full_text 10.1093/jcbiol/ruad054 0278-0372 1937-240X Journal of Crustacean Biology First record of leucism in a primary burrowing crayfish: Distocambarus crockeri Hobbs & Carlson, 1983 (Decapoda: Astacidea: Cambaridae) from South Carolina, USA Megan B Stubbs Hogan D Wells Zanethia C Barnett Michael R Kendrick Zachary J Loughman Zackary A Graham 43 3 ruad043 2023 full_text 10.1093/jcbiol/ruad043 FRESHWATER CRAYFISH: The distribution and conservation status of the white colour morph of <i>Faxonius propinquus</i> (northern clearwater crayfish) in Lake Simcoe, Ontario, Canada
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Freshwater Crayfish 24(1): 33-38 (2019)

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The distribution and conservation status of the white colour morph of Faxonius propinquus (northern clearwater crayfish) in Lake Simcoe, Ontario, Canada

Hamr P, Hoel M and Eales K  e-mail link

Published Online: 2/22/2019

Abstract

The white morph of Faxonius propinquus was first identified and described by Dunham and Jordan. They subsequently documented the presence and geographic distribution of other species in Lake Simcoe, including two additional colour morphs of F. propinquus (Dunham et al. 1979). Since then, no further research has been conducted on these populations, even though the lake has now been invaded by the introduced rusty crayfish (Faxonius rusticus). The present study documents the decline and most recent distribution of the F. propinquus colour morphs and the other native species, Faxonius virilis, which also appears to display several unusual colour morphs in Lake Simcoe. The decline of the various colour morphs of F. propinquus, as well as the impact of the F. rusticus expansion in the lake, were assessed through surveys from 2015 to 2018. The significance of the results is discussed with respect to the conservation status and the future management of native crayfishes in Lake Simcoe.

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Hamr P, Hoel M and Eales K. (2019). The distribution and conservation status of the white colour morph of Faxonius propinquus (northern clearwater crayfish) in Lake Simcoe, Ontario, Canada. Freshwater Crayfish 24(1):33-38. doi: 10.5869/fc.2019.v24-1.33

 

 

Author Information

Premek  Hamr,*  , Upper Canada College, 200 Lonsdale Rd, Toronto, Ontario, CanadaM4V 1W6. E-mail: phamr@ucc.on.ca

Mark  Hoel,  , Upper Canada College, 200 Lonsdale Rd, Toronto, Ontario, CanadaM4V 1W6. E-mail:

Kathryn  Eales,  , Havergal College, 1451 Avenue Rd, Toronto, Ontario, Canada . E-mail:

Corresponding Author indicated by an *.

 

Publication History

   Manuscript Submitted: 10/8/2018

   Manuscript Accepted: 1/24/2019

   Published Online: 2/22/2019

   Published in Print: 2/28/2019

 

 

Funding Information

No specific funding statement is available for this article.

 

 



 

 

 

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