Quagga mussels
Photo credit: CIPEL
Quagga mussels
Quagga mussels
Photograph of a scientific measuring instrument fully colonized by quagga mussels after a year's immersion in the lake at a depth of 8 meters.
Until now, these "shock" images have always come from North America, as biofouling in Europe has always been far less spectacular.
Photo credit: LéXPLORE, Sébastien Lavanchy
