ar8922's picture

Suggestions please

Observed: 28th February 2013 By: ar8922
S159 Neighbourhood Nature - course complete
ar8922’s reputation in Invertebratesar8922’s reputation in Invertebratesar8922’s reputation in Invertebrates

Can anyone provide any suggestions regarding what either the large orange blob (approx. 5cm long) is or what the cluster of yellow eggs are? Personally I haven't got a clue.
Please reply with comments rather than identifications, so that separate observations can be submitted if we get appropriate answers for both.

Species interactions

No interactions present.


scubamann's picture

egg cases

Without any information as to substrate, inter-tidal [Is it in a rock pool, or taken underwater?], size, etc.: or angle of photo; from above below, horizontal, this is very difficult.

But the egg case might be Dog whelk.
I have not yet had chance to check the yellow blob.

A photo and general location alone are not always enough.

ChrisMcA's picture

Can also see the red sponge

Can also see the red sponge hymeniacidon perlevis which extends down from mid tide (MTL)

gramandy's picture

me too

markwilson's picture


Agree with scubaman the eggs are dogwhelk (Nucella lapillus - but may have changed name!) Thebarnacle might be Balanus perforatus - a large barnacle with an oval opening

ar8922's picture

Thank you everyone

Many thanks everyone for you input.

Geoffrey, I believe the substrate is Sandstone(Roseland Breccia Formation) and it is intertidal. It was a roughly vertical face, exposed at low tide and not a rock pool. My guess is that it would typically be underwater for about 12 hours per day.

trudy-russell's picture

Chris is right your orange

Chris is right your orange blob is in fact a sea lemon a nudibranch that is fairly common in the south west they look much more recognisable when covered with a little water!

Trudy Russell
Marine Advisor
Natural England

To find out about what's going on in the south west check out

ar8922's picture

Thanks Trudy

Thanks Trudy, I did actually get this confirmed by someone at Devon Wildlife Trust's Wembury Marine Centre recently but hadn't updated the observation.

I was also informed that their colour varies depending on what they've been eating.

ChrisMcA's picture

In the case of Archidoris

In the case of Archidoris they're often recognisable out of water being 1 of the largest slugs etc, eg at &

ar8922's picture

Thanks Chris

Thanks Chris, that's useful.

ChrisMcA's picture

It's a pity, ar8922, you

It's a pity, ar8922, you couldnt get your expert at Devon wildlife to see the sea lemon Mis-ID'd at ,as if they thought this a sea lemon they'd be even surer of that one!

ChrisMcA's picture

By the way, as this is an

By the way, as this is an invertebrate (as indeed are the eggs & barnacles), you need to edit your observation so as to change the group from 'other organisms' to 'invertebrates' so the likely ID will change from beadlet to sea lemon

gramandy's picture


..a great idea

ar8922's picture

Group change

Thanks Chris, I originally just intended this particular submission to prompt some comment and debate (which it did wonderfully and thank you for your input). I'll crop the original photo appropriately and repost separate IDs for each element, hopefully later today.

ChrisMcA's picture

Any chance that you & Trudy

Any chance that you /Trudy/Gramandy/Dejay might consider ?

ar8922's picture


I'm no where near an expert on this but based on the available evidence, informative links and comment threads, I'm happy to agree your ID for 108284 Chris.