engleski

New non‐indigenous crayfish (the marble crayfish (Procambarus fallax (Hagen, 1870) f. virginalis) in Croatian freshwaters

The marble crayfish (Procambarus fallax (Hagen, 1870) f. virginalis) is the third non- indigenous crayfish species established in Croatian freshwater habitats. This parthenogenetic species was discovered in 2013 in the Šoderica gravel pit lake, located in the north of Croatia. In this study we looked into potential introduction pathways of the marble crayfish to Croatia, examined some of its basic population characteristics (i.e. relative crayfish abundance, population size structure and year cycle characteristics) and analysed its potential for dispersal in the region. Research and monitoring programme for the Šoderica marble crayfish population is urgently required in order to immediately start with management actions targeted at its control.

freshwater invasion; parthenogenetic species; population characteristics; invasive range

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