doris pseudoargus, sea lemon. loch linnhe, diving, scottish west coast

active adventure aeolid animal animalia bay biology britain coast cold critter diving dorid dorididae doridina doridoidea doris drysuit gastropod gastropoda great green heterobranch heterobranchia invertebrate kentallen lemon life linnhe loch macro marine mollusc mollusca mollusk muck nudibranch nudibranchia ocean pseudoargus scotland scuba sea slug undersea underwater wall water west wildlife