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Morphological Observation of Museum Specimens of Astacus astacus and Pontastacus leptodactylus
Kawai T and Patoka J 
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.