<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The subject of the study was four populations of signal crayfish from Naryjska Struga River and lakes Pobłędzie, Mauda, and Staw Płociczno. The morphometric differentiation of female and male signal crayfish was studied with discriminant analysis. It was confirmed that both females and males from the Naryjska Struga River differ from the crayfish from the three lakes. The characters that best discriminated females were those associated with the cephalothorax and cheliped width, while in males they were those associated with the chelipeds and the abdomen.</p></abstract>

The subject of the study was four populations of signal crayfish from Naryjska Struga River and lakes Pobłędzie, Mauda, and Staw Płociczno. The morphometric differentiation of female and male signal crayfish was studied with discriminant analysis. It was confirmed that both females and males from the Naryjska Struga River differ from the crayfish from the three lakes. The characters that best discriminated females were those associated with the cephalothorax and cheliped width, while in males they were those associated with the chelipeds and the abdomen.

Morphometric differentiation in four populations of signal crayfish, Pacifastacus leniusculus (Dana), in Poland

Inland Fisheries Institute in Olsztyn, Poland, Department of Lake Fisheries in Giżycko ul. Rajska 2, 11-500 Giżycko

Fisheries & Aquatic Life

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The subject of the study was four populations of signal crayfish from Naryjska Struga River and lakes Pobłędzie, Mauda, and Staw Płociczno. The morphometric...

Morphometric differentiation in four populations of signal crayfish, Pacifastacus leniusculus (Dana), in Poland

Published Online: Nov 05, 2014

Page range: 229 - 233

Received: Jun 02, 2014

Accepted: Jul 31, 2014

DOI: https://doi.org/10.2478/aopf-2014-0023

Keywords
signal crayfish, morphological characters, discriminant analysis, alien species

© Archives of Polish Fisheries

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Morphometric differentiation in four populations of signal crayfish, Pacifastacus leniusculus (Dana), in Poland

Published Online: Nov 05, 2014

Page range: 229 - 233

Received: Jun 02, 2014

Accepted: Jul 31, 2014

DOI: https://doi.org/10.2478/aopf-2014-0023

Keywordssignal crayfish, morphological characters, discriminant analysis, alien species

© Archives of Polish Fisheries

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
signal crayfish, morphological characters, discriminant analysis, alien species