none none FRESHWATER CRAYFISH: Morphological Observation of Museum Specimens of <i>Astacus astacus</i> and <i>Pontastacus leptodactylus</i>
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Freshwater Crayfish 27(1): 49-68 (2022)

PEER REVIEWED    RESEARCH ARTICLE

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Morphological Observation of Museum Specimens of Astacus astacus and Pontastacus leptodactylus

Kawai T and Patoka J  e-mail link

Published Online: 12/31/2022

Abstract

Both external and internal morphological characteristics (the gastric mill and the gill on maxillipeds) of museum specimens of European Astacidae, namely Astacus astacus and Pontastacus leptodactylus, were observed and detailed illustrations and descriptions are herein provided. Several morphological variations in external morphology were detected, and the characters to discriminate between Astacus and Pontastacus have been used to update the diagnoses of these two genera.

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How to Cite

Kawai T and Patoka J. (2022). Morphological Observation of Museum Specimens of Astacus astacus and Pontastacus leptodactylus. Freshwater Crayfish 27(1):49-68. doi: 10.5869/fc.2022.v27-1.49

 

 

Author Information

Tadashi  Kawai,* Central Fisheries Research Institute, Hokkaido Research Organization, 238 Hamanaka, Yoichi, Hokkaido, Japan046-8555. E-mail: tadashikawai8@gmail.com

Jiri  Patoka, Dept. of Zoology and Fisheries, Czech University of Life Sciences Prague, Faculty of Agrobiology, Food and Natural Resources,, Kamýcká 129, Praha-Suchdol, Praha, Czech Republic16500. E-mail: patoka@af.czu.cz

Corresponding Author indicated by an *.

 

Publication History

   Manuscript Submitted: 8/21/2021

   Manuscript Accepted: 10/15/2022

   Published Online: 12/31/2022

   Published in Print: 12/31/2022

 

 

Funding Information

No specific funding statement is available for this article.

 

 



 

 

 

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