none none 2296-701X Frontiers in Ecology and Evolution Front. Ecol. Evol. Force and Boldness: Cumulative Assets of a Successful Crayfish Invader Lucian Pârvulescu Dan Ioan Stoia Kristian Miok Mihaela Constanţa Ion Adela Estera Puha Melania Sterie Mihajel Vereş Ioan Marcu Mirela Danina Muntean Oana Maria Aburel 9 581247 2021 full_text 10.3389/fevo.2021.581247 FRESHWATER CRAYFISH: Body size in freshwater crayfish: an intercontinental comparison
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Freshwater Crayfish 24(1): 43-47 (2019)

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Body size in freshwater crayfish: an intercontinental comparison

Richardson AMM  e-mail link

Published Online: 2/22/2019

Abstract

Body sizes (overall length) of 125 Australian and 230 North American freshwater crayfish were extracted from the literature in order to compare the two major radiations of freshwater crayfish. The size distribution of Australian species is strongly skewed to the right and contains at least 13 species that exceed the maximum size of North American crayfish, however the median size class (74 mm) is the same for both faunas. When the burrowing habits of each species are overlain on the distribution, the Australian fauna is shown to have a higher proportion of primary burrowers, and these are significantly smaller than North American primary burrowers. These differences are discussed in terms of the perceived absence of large predators in Australia, and the long term drying and unpredictability of the Australian climate, but no firm causes can be deduced.

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How to Cite

Richardson AMM. (2019). Body size in freshwater crayfish: an intercontinental comparison. Freshwater Crayfish 24(1):43-47. doi: 10.5869/fc.2019.v24-1.43

 

 

Author Information

Alastair MM Richardson,* School of Biological Sciences, University of Tasmania, Private Bag 5, GPO , Hobart, Tasmania, Australia7001. E-mail: alastair.richardson@utas.edu.au

Corresponding Author indicated by an *.

 

Publication History

   Manuscript Submitted: 10/4/2018

   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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