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Strange nudi from Milne Bay


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#1 Marjo

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Posted 10 August 2009 - 05:52 PM

Could anyone ID the big yellow spongey looking nudi in the middle? I shot this last year in Milne Bay and was not able to find it in any of my books. While in PNG this year I prerused the library of Walindi and FeBrina, and wasn't able to positively ID it there either, as my knowledge of nudies is rather limited still. Any help would be greatly appreciated. :) :) :)

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#2 secretsea18

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Posted 10 August 2009 - 06:49 PM

Could anyone ID the big yellow spongey looking nudi in the middle? I shot this last year in Milne Bay and was not able to find it in any of my books. While in PNG this year I prerused the library of Walindi and FeBrina, and wasn't able to positively ID it there either, as my knowledge of nudies is rather limited still. Any help would be greatly appreciated. :) :) :)

Posted Image


Do you have another view of it?
Did it move?
Is this the front?

#3 AMW

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Posted 10 August 2009 - 10:25 PM

I also saw these while diving Milne Bay. Unfortunately, I have not been able to identify them either.

Edited by AMW, 10 August 2009 - 10:25 PM.


#4 Marjo

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Posted 11 August 2009 - 07:39 AM

It was moving along. I found it while diving from Tawali at "barracuda point" at about 90 feet. Not sure if this is the front or tail now a year later, but I think this might have been the front. I have some more images of this one, which I will port. I think they are shot from a similar angle tho. I won't have access to them until tomorrow as I am at work and the HD is at home. I will post tomorrow morning.

#5 Marjo

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Posted 18 August 2009 - 12:14 PM

Heres two more. Looking at the time stamps in the EXIF I see that the slug was crawling towards to camera, which indicates that we are seeing the front of the slug (I don't think they would "back up").

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and

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#6 secretsea18

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Posted 18 August 2009 - 02:18 PM

Heres two more. Looking at the time stamps in the EXIF I see that the slug was crawling towards to camera, which indicates that we are seeing the front of the slug (I don't think they would "back up").

Posted Image

and

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You might want to send it to Mike Miller at "the Slug Site" for ID....

#7 Robographer

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Posted 19 August 2009 - 09:54 AM

Could anyone ID the big yellow spongey looking nudi in the middle? I shot this last year in Milne Bay and was not able to find it in any of my books. While in PNG this year I prerused the library of Walindi and FeBrina, and wasn't able to positively ID it there either, as my knowledge of nudies is rather limited still. Any help would be greatly appreciated. :blink: :) :)


I searched through all my resources and nothing cam up...
If anything else fails, try www.nudipixel.net. Send your photo to them and let them try to identify it.

Succes...
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#8 Marjo

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Posted 20 August 2009 - 06:40 AM

Thanks Secretsea18 and Robographer!

Nudipixel was not able to ID it, but I took Secretsea18 advise and sent it off to Michael Miller at the Slug Site. Less than a few hours later I received a reply, via Michael Miller, from Terry Gosliner at the California Academy of Sciences. He wrote:

"...I am virtually certain that it is a sea cucumber. I have seen brownish ones like this. I think it is probably a juvenile of Thelynota or something like that."


Interestingly I had photographed some really pretty "adult" Thelenota on the same trip last year, although not at that particular divesite.

Although it would have been far more exciting to have photographed a previously unidentified seaslug, I am still very happy to have an answer to the identity of this weird little critter (meaning I can stop searching now). I am also truly impressed by the awesome resources and fast response and of the seaslug site!

#9 Nick Hope

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Posted 20 August 2009 - 07:40 AM

Juvenile sea cucumbers are known to mimic toxic nudibranchs. Here's an example and also juvenile Pearsonothuria graeffei look very similar to the Phyllidia varicosa in your pictures.

#10 scubamarli

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Posted 20 August 2009 - 10:04 AM

look very similar to the Phyllidia varicosa in your pictures.

It's actually a Phyllidia coelestis....sorry, I couldn't resist.
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#11 Nick Hope

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Posted 21 August 2009 - 04:24 AM

yeah yeah that's what i meant. obviously :blink:

#12 Drew

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Posted 21 August 2009 - 08:14 AM

It's ok Nick... it's the presbyopia :blink:

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#13 Robographer

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Posted 11 September 2009 - 11:17 AM

I think this is what you are looking for
Don't be afraid of perfection... we will never reach it.

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