Pacifastacus leniusculus | Signal Crayfish

This signal crayfish (Pacifastacus leniusculus) is an invasive species in Japan. The species is native to North America. It has displaced the native Japanese crayfish (Cambaroides japonicus) throughout many freshwater environments throughout the country. The individual in this image is a mature crayfish. Photographed in Hokkaido, Japan.

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Filename: pacifastacus-leniusculus-signal-crayfish-invasive-species-202411-2886.tif
Copyright: Copyright Tony Wu. All rights reserved. No duplication, reproduction or usage without prior written permission.
Image Size: 7317x4878 / 205.9MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Crustacean Crayfish Animalia Arthropoda Crustacea Malacostraca Decapoda Astacidae Pacifastacus leniusculus Signal Crayfish Uchida-zarigani Invasive Species Pacific Japan Hokkaido
Contained in galleries: Crustaceans, Fresh Water | Japan

This signal crayfish (Pacifastacus leniusculus) is an invasive species in Japan. The species is native to North America. It has displaced the native Japanese crayfish (Cambaroides japonicus) throughout many freshwater environments throughout the country. The individual in this image is a mature crayfish. Photographed in Hokkaido, Japan.