Flatworm or Nudibranch from Phuket, Thailand
August 12, 2006
From: Mike Krampf
This looks like a Phyllidia sp but was very flat and I haven't been able to find it in any of my ID books. Is this one of those flatworms at mimic nudibranchs?
Locality: Racha Yai Island, 70 ft, Phuket, Thailand, Andaman Sea, 05 August 2006, Sand bottom. Length: 3 cm. Photographer: Mike Krampf.
Thanks,
Mike
mtkrampf@yahoo.com
Krampf, M., 2006 (Aug 12) Flatworm or Nudibranch from Phuket, Thailand. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17369Dear Mike,
You are right to be cautious, some flatworms do look very like nudibranchs, but I have looked carefully at your original photos and I am pretty sure the rhinophores are real. I can see no sign of an anal papilla in the posterior dorsal midline so I suspect your animal is a colour form of the phyllidiid, Fryeria marindica .
Best wishes,
Bill Rudman
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