Isopod fauna associated with Spirobranchus triqueter (Linnaeus, 1758) (Annelida, Polychaeta) in the Sea of Marmara

Among material collected in colonies of Spirobranchus triqueter (Linnaeus, 1758) from the Sea of Marmara in 2013, 825 individuals belonging to 13 species of isopods were found. Of these, Janira maculosa Leach, 1814 is represented by the highest number of specimens (45% of the total number of specimens). All species are being reported to be associated with the serpulid colony of S. triqueter herein for the first time.