The effects of invasive alien species (IAS) on host–affiliate relationships are often subtle and remain unnoticed or insufficiently quantified. The global decline of freshwater unionid mussel species has been attributed to many causes, but little is known about the interactions of IAS, with their complex life cycle, which includes an obligatory parasitic stage (the glochidium) that develops on fishes. The capac...
In the last decades, the invasive Prussian carp, Carassius gibelio, has been detected in most of the European countries. The Prussian carp has been undetected in many European countries since it is morphologically indistinct from the long-established goldfish Carassius auratus. In this study, genetic markers were used to identify the Prussian carp in several locations of the Iberian Peninsula (Portugal and Spai...