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- 13Replies
Read-only discussion
What nudi is this?
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Gosh, wish you had another view. Reminds me a bit of a Thecacera, but the green colour makes me think it could be a sacoglossan, like Lobiger sp.
http://www.seaslugforum.net/factsheet.cfm?base=lobiviri
Sorry!
Marli
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I am not sure but I think its the same as this one, at least its from the same basic ocean...



Sorry for the debris but we have had a week of solid winds, rains and mixed up currents stirring up all sorts of things that seem to float forever. The back area of these looks alot like the one in your pic. The back stays closed but when a current flows across it the flaps open up and the colorful back is exposed.
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Your critter appears to be an Elysia sp. The closest I can find is Elysia trisinuata, which is known from Japan, but I'm not convinced it's the specific one, due to the yellow colouration.
Cheers,
Marli
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Not sure it's an Elysia. It's defintely more like the shape of a Thecacera, but funny green colour.
Pity I don't have a better picture.
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Mak_Jing: I meant Islandbound's was an Elysia sp. Now that I can see the head more clearly, I'm pretty sure it's a sacoglossan, because of the rolled rhinophores, and the green colour. The two most similar are a Lobiger sp. and a Roburnella, but the range is wrong for a Robernella (then again, maybe it's something new). I'll post some links a little later.
Cheers,
Marli
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As always, I could be wrong, but my best guess is a Juvenile Lobiger viridis:
http://www.seaslugforum.net/display.cfm?id=9589
Cheers,
Marli
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Thanks Marli. It does look like the second photo in the link.
Jing
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Marli, I'm going to disagree with you on this one. There's no sign of a shell that I can see. I suspect it's a young Elysia tomentosa (or one of the cogeners) with the parapodial flaps tightly rolled. If you look through all of the photos here http://www.seaslugforum.net/showall.cfm?base=elystome or check out some of the sites with more reliable ids you'll see several pics similar to JIng's.
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Could be; really tough to tell from the photo, and hey, it's always just a best guess on my part. Even the scientists disagree on Elysia id's. I say, go back and get more photos.
Cheers,
Marli
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Could be; really tough to tell from the photo, and hey, it's always just a best guess on my part. Even the scientists disagree on Elysia id's. I say, go back and get more photos.
Cheers,
Marli
Same here - best guess is all we can do without a specimen.

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Sorry guys for the bad photos. I am still kicking myself for not having my usual camera set up with me that trip. Did not have enough time to pack for the short 2 day trip, so took the point and shoot with me. But thanks for the discussion.
Jing