needs help with Nudibranch ID

Not sure what your nudibranch is? Post it here for identification!

Moderator: Dave Behrens

Postby amrala » Sat Dec 18, 2010 4:25 am

Hello!

Gents i need help with the attached Nudibranch/Worm ID , and i will be thankful if also anyone can provide me with a book name for identifying the Nudi's Id

thanks


IMG0060_1:
F/4,1/60s,flash on
ISO100,EXP -1,AWB,Macro on
Canon G11

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IMG0108_1:
F/5.6,1/60s,flash on
ISO200,EXP -1,AWB,Macro on
Canon G11
Attachments
IMG_0108_1.jpg
IMG_0060_1.jpg
Amr A. Abdul-Majeed
Canon G11,Canon WP-DC34 Housing
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amrala
 
Posts: 43
Joined: Tue May 18, 2010 6:11 am
Location: Jeddah,Saudi Arabia

Postby Kevin Lee » Sat Dec 18, 2010 9:10 am

Hi Amrala,

Please tell us where you photographed these animals as habitat can be helpful in identifying opisthobranchs.

Your first image, to my eyes, resembles Phyllodesmium crypticum, though this family of nudibranchs can be very difficult to distinguish, one from another. In fact, here's a similar slug that I photographed in Raja Ampat.

http://www.diverkevin.com/Asia-Diving/R ... 1458_ULXbp

Your flatworm is a nice specimen but, alas, although hundreds, nay thousands of flatworms have been photographed, most polyclads remain undescribed and I do not see an immediate ID on yours in the references I have. I would invite you to check the web for further research, starting with:

http://www.nudipixel.com (excellent online reference for slug ID)

and particularly for flatworms:

http://www.nudipixel.net/pictures/flatworms/

Also, the Sea Slug Forum (http://www.seaslugforum.net/), although inactive presently, remains a great reservoir of scientific knowledge about sea slugs.

The best publication for identifying opisthobranchs (sea slugs) is, in my estimation, "Indo-Pacific Nudibranchs and Sea Slugs", by Gosliner, Behrens, & Valdes. Here's a link to the book:

http://seachallengers.com/index.cfm?catID=3&itemID=446

For flatworms and all around general ID, I would recommend the recently published book, "Reef Creature Identification: Tropical Pacific", by Humann and Deloach.

Best wishes,
Kevin Lee
Kevin Lee
 

Postby scottg » Sat Dec 18, 2010 10:20 pm

wow, beautiful flatworm!

Kev, I'm going to guess the photos were taken near Saudi arabia, but I could be wrong...

Scott Gietler Owner/Editor, Underwater Photography Guide & Bluewater Photo http://www.uwphotographyguide.com http://www.bluewaterphotostore.com

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Postby amrala » Sat Dec 18, 2010 11:17 pm

Thanks Kiven and Scott,

the 2 picts have been taken in Jeddah , Saudi Arabia in shore dive the depth was around 50-64ft night dive and am assuming they will just appear in night dive because when i put my light on them they start to run away :o and i was not yet started to get picts :)

am trying to work on my compositions as scott advise , the 2 picts are cropped
Amr A. Abdul-Majeed
Canon G11,Canon WP-DC34 Housing
User avatar
amrala
 
Posts: 43
Joined: Tue May 18, 2010 6:11 am
Location: Jeddah,Saudi Arabia

Postby Kevin Lee » Wed Dec 22, 2010 4:09 pm

Hi Amrala,

Nudie expert, David Behrens, suggested this web reference for flatworms:

http://www.rzuser.uni-heidelberg.de/~bu6/index.html

If you look up flatworms in your region, the specimen you photographed is apprently Pseudobiceros fulgor. Please book mark this link for future reference.

Cheers,

Kevin
Kevin Lee
 

Postby amrala » Sun Dec 26, 2010 3:48 am

Thanks Kevin and David

i really appreciated
thanks again :)
Amr A. Abdul-Majeed
Canon G11,Canon WP-DC34 Housing
User avatar
amrala
 
Posts: 43
Joined: Tue May 18, 2010 6:11 am
Location: Jeddah,Saudi Arabia


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