O Operculum by David Proudfoot November 14, 2014 written by David Proudfoot November 14, 2014 937 Operculum – The plate which covers the gills. Facebook Comments Box Glossary 0 comments 0 FacebookTwitterPinterestEmail David Proudfoot previous post Off the ground next post Outrigger You may also like Ovoviviparous fish November 14, 2014 Oviparous fish November 14, 2014 Overhead cast November 14, 2014 Over-run November 14, 2014 Outrigger November 14, 2014 Off the ground November 14, 2014 Leave a Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. I accept the Privacy Policy Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.