The purpose of this benthic survey in Loch Sween was for routine statutory monitoring by SEPA. The purpose of SNH contracting analysis of the video data obtained from this survey by SEPA was to improve knowledge of the occurrence and distribution of species and habitats of recognised conservation importance, particularly priority marine features (PMFs). Grab sampling was undertaken at 5 sites, namely Sron Bheith and Craiglin in the upper loch, the Surveillance Site and Port Mhicheal in the mid loch and Mid Danna in the outer loch, by SEPA for SEPA on the 17th of August 2010 to collect detailed biological information on the seabed species and habitat features present.