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Myxilla rosacea
(Lieberkühn, 1859)
Jon Chamberlain Is it possible to ID this yellow sponge without a sample? It was one of the few sponges I saw in the NE so would be useful to know. This one was at Seal Carr, Berwick approx 10m deep on a sediment covered, horizontal rock.
http://www.flickr.com/photos/underwaterinferno/8079991838/in/set-72157631775493437/Bernard Picton The sponge is probably Myxilla incrustans, it has lines on the surface like this.
Jon Chamberlain Thanks for the help
Claire Goodwin Most of the yellow ones from Rob's seaweed safari turned out to be this.
Jon Chamberlain Thanks Claire, that's reassuring! There were some yellow crusts with prominent spicules that I concluded were not this species, as well as this pink one which I assume is Myxilla rosacea. http://www.flickr.com/photos/underwaterinferno/8079996501/in/set-72157631752500357
Message posted on Seasearch Identifications on 15 Oct 2012