O Operculum by David Proudfoot 14th November 2014 written by David Proudfoot 14th November 2014 Operculum – The plate which covers the gills. Facebook Comments Share this:TwitterFacebookLike this:Like Loading... Glossary 0 comment 0 FacebookTwitterPinterestEmail David Proudfoot previous post Off the ground next post Outrigger Related Posts Ovoviviparous fish 14th November 2014 Oviparous fish 14th November 2014 Overhead cast 14th November 2014 Over-run 14th November 2014 Outrigger 14th November 2014 Off the ground 14th November 2014