dejayM's picture

Tiny clam

Observed: 5th June 2013 By: dejayM
Biological Recording In ScotlandHighland Biological Recording GroupOrkney Biodiversity Records Centre
dejayM’s reputation in InvertebratesdejayM’s reputation in InvertebratesdejayM’s reputation in InvertebratesdejayM’s reputation in Invertebrates
single
small group
larger
Description:

Another attempt to get recognition. maybe agreements, for the tiny limpet-like oyster.
One of three British species - the smallest.
Posted here also http://www.ispot.org.uk/node/323303
CORE Edit. ID Panel ......Appears to be attached via strong threads through a small opening.

Identifications
Species interactions

No interactions present.

Comments

JoC's picture

Heteranomia squamula

Picture and description fits this:
http://naturalhistory.museumwales.ac.uk/britishbivalves/browserecord.php...
Now, what about the barnacles?
Jo

Jo

dejayM's picture

not ready

Oh dear, I was hoping no-one would ask - THANKS Jo!
But I have been studying them for a while, taking photos of individuals and colonies. I am simply not ready, though in a few of my posts they have made 'guest' appearances.
This one is quite likely to be the exotic and invasive - Austrominius modestus (Elminius modestus). Four equal plates should not be enough to identify it; but it is, even though it is not quite clear in this picture. I am pretty certain though.

Web pictures showing individual (lone) ones are rare but there is one here
http://eol.org/data_objects/23097755
I have a few worms and squirts to post before barnacles.

JoC's picture

appears to be attached via?

you seem to have left us in suspense in your original description - you should be able to edit it to add the rest of the sentence. And I think A. modestus looks about right.

Jo

dejayM's picture

hanging

Of course, we should all know by now that the ID panel cannot be altered. So....

[via]...strong threads through a small opening.

I now read these are called byssal attachments. Mussels have these (reading on) but from their hinges.
http://jeb.biologists.org/content/199/4/1005.full.pdf
These were hardly noticeable as I prised away this really tiny shell.
I MUST say (write) that this sort of detail often gives a useful, often final, clue to ID.

JoC's picture

No edit of ID panel

I did not know that. I just checked one of my posts, and you are right, ID panels cannot be edited. Thanks for the clarification.

Jo

dejayM's picture

winkle cam

Jo - I had quite forgotten that you had posts...how else would you have gathered 'stars' in Inverts and Plants?!
It seems so long ago that I mentioned the Winkle Cam to you.
I had fun, just now, 'tracking' your highly specialised posts on sea 'weeds' and I have even managed to agree with some - I had not followed them properly before.
Now tell me - how, in post http://www.ispot.org.uk/node/330293 did you do the Microphotos? Did you have the scope (what is it?) with you on holiday? Did you just fire your camera into it?
ðj

JoC's picture

A zeiss binocular low power microscope

I usually take it when I go away. I use an ordinary camera held over one eyepiece.
Most seaweeds travel reasonably well in a plastic container, so a couple of days before a photo is not usually a problem.

Jo