Signal Crayfish Gallery
Available as Framed Prints, Photos, Wall Art and Gift Items
Choose from 7 pictures in our Signal Crayfish collection for your Wall Art or Photo Gift. Popular choices include Framed Prints, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.
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Nature Picture Library

Nature Picture Library

Signal crayfish (Pacifastacus leniusculus)
Signal crayfish (Pacifastacus leniusculus), a western North American species imported to Europe with harmful effects on native species, now also in Japan. The white patches near the hinge of the claw resembles the white flags used to direct trains, hence the name. Japan
American Signal Crayfish, Astacidae, Crawfish, Crayfish, Crustacean, Decapoda, Displaces Native Species, Europe, Freshwater, Introduced To, Invasive, Invertebrate, Japan, Lake Life, Malacostraca, Naturalised, Pacifastacus, River Life, Riverbed, Shellfish, Stream Life