Purple Octopus - using citizen science to discover marine interactions
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Haliclona oculata

(Pallas, 1766)


Jeremy Pierce I'm guessing at Haliclona oculata (Mermaid's Glove) ??? Eastern Kings today again at the ridge of the reef about 12m. Cheers JAP :-)

Keith Hiscock Yes, quite a few colonies there.

Yep, also occurs on Lees Wreck Strangford Lough, Northern Ireland

Brendan Oonk Even this sponge grows in places with a lot of current it becomes thick and heavy. In places with less current it Will be more slender

Brendan Oonk Even=when

Brendan Oonk Sorry its hard to typ a message in English, with Dutch auto-correct on :)

Message posted on Seasearch Identifications on 16 Jun 2013
Mandy Knott I know it's not the best photo to ID from but can anyone help confirm this please? Is it Haliclona oculata from an odd angle - this species was abundant at this site, or am I missing something?

Mandy Knott Thanks Dawn. It was different to the rest of them and initially from my photo I wasn't sure if there was a large terminal oscule. A photo on http://www.habitas.org.uk/marinelife/index.html

Mandy Knott threw me a bit - Haliclona urceolus...

Maria Harwood I don't suppose "pointy thngy" is the kind of description you had in mind?

Message posted on Seasearch Northwest England on 04 May 2012
Erling Svensen From yesterdays dive. I saw many Jorunna tomentosa - some eating sponge, but also some on the tine green algae. Any clue what they do on the algae? Maybe like the dogs - they eat grass for their stommac ;-)

Tony Gilbert A good point. Perhaps they off-gas on other marine life. Is the sponge a Haliclona oculata, which I think is their food source. They do seem to hack this down very quickly! http://www.flickr.com/photos/tonyjgilbert-images/6914276366/in/set-72157629775691515

Message posted on NE Atlantic Nudibranchs on 25 Apr 2012
Taxonomy
Animalia (Kingdom)
  Porifera (Phylum)
    Demospongiae (Class)
      Haplosclerida (Order)
        Haplosclerina (Suborder)
          Chalinidae (Family)
            Haliclona (Genus)
              Haliclona oculata (Species)
Associated Species