Parasites of the aquaculture candidate Siganus canaliculatus Park 1797 (Siganidae: Perciformes) from Omani waters including their potential to indicate environmental health This study aims to investigate the parasite fauna of a marine herbivorous fish inhabiting the coasts of the Sultanate of Oman. The parasite fauna of S. canaliculatus is highly diverse and species rich marine parasite community. The results of this study provide insight into the richness and diversity of the marine ecosystem in the waters of Oman. Several species were reported for the first time as new host and locality records. Some are described and identified as new species to science. in addition the study provided an opportunity to assess the status of the marine ecosystem of Oman.<eng>