The first discovery of the invasive marbled crayfish Procambarus fallax (Hagen, 1870) in Crimea
Journal: rej
Year: 2025

Data on the discovery of the invasive marbled crayfish Procambarus fallax (Hagen, 1870) (Decapoda: Cambaridae) in the western Crimea, in the lower streams of the Alma and Belbek rivers, is presented.This is the first report of its presence on the peninsula, adding another invasive species to the list in the Russian Federation.Phylogenetic analysis reveals that the crayfish found in Crimea share the same genetic haplotype as other invasive subpopulations from Europe, Sweden, Japan, and parts of F