Artist: RS Connett

It's hard to pick just one, but here's one of my favorites:

http://www.grotesque.com/museum/NewVmmPages/CreaturedLumiOcean.html

http://rsconnett.deviantart.com/art/CREATURES-of-a-LUMINESCENT-SEA-188478044

http://www.grotesque.com/museum/NewVmmPages/art_thumbnail_pg1.html

http://rsconnettart.bigcartel.com/product/creatures-of-a-luminescent-sea-open-signed-edition