BioImages: The Virtual Field-Guide (UK)
Pacifastacus leniusculus (Dana, 1852) (Signal Crayfish)
Sets of Photographs
These relate to individual finds ("biological records") of the organism.
Pacifastacus leniusculus may also be covered by literature listed under:
BioInfo (www.bioinfo.org.uk) has 1 feeding and other relationships of Pacifastacus leniusculus (Signal Crayfish)