Klaus Cerjak:
Taxon unknown / Corsica, France
Klaus Cerjak:
Gobiidae sp. / Corsica, France
Klaus Cerjak:
Tagliamento, Italy
Klaus Cerjak:
Alburnus chalcoides / Reifnitz-Stream, Austria
Klaus Cerjak:
Alburnus chalcoides / Reifnitz-Stream, Austria
Klaus Cerjak:
Alburnus chalcoides / Reifnitz-Stream, Austria
Klaus Cerjak:
Squalius cephalus / Reifnitz-Stream, Austria
Klaus Cerjak:
Alburnus chalcoides / Reifnitz-Stream, Austria
Klaus Cerjak:
Squalius cephalus / Reifnitz-Stream, Austria
Klaus Cerjak:
Chondrostoma nasus / Drau-River, Austria
Klaus Cerjak:
Alburnus chalcoides / Reifnitz-Stream, Austria
Klaus Cerjak:
Alburnus chalcoides / Reifnitz-Stream, Austria
Klaus Cerjak:
Alburnus chalcoides / Reifnitz-Stream, Austria
Klaus Cerjak:
Alburnus chalcoides / Reifnitz-Stream, Austria
Klaus Cerjak:
Mediterranean Sea
Klaus Cerjak:
Barbus barbus vs. Phalacrocorax carbo / Drau, Austria