John_Brandt":2dkq71tj said:
Colonial tunicates. Probably Sycozoa sp.
Thanks John,
I finally found the same species in the internet by seaching "Sycozoa "
According to Bill Rudman of Seaslugforum.net :
"it looks identical to one identified as Sycozoa sp. in Gosliner, Behrens & Williams (1996) Coral Reef Animals of the Indo-Pacific [#1067],
a species they say is only known from the Philippines.
This ascidian grows to about 25cm in height "
http://www.seaslugforum.net/nembsp12.htm
The photographer, Peter van Bragt who took the picture at Sanbang, Phillipines (same place where I took my picture !)
called it Sycozoa morph yellowspot.
and there is a nudibranch feeding on it.
http://home.hetnet.nl/~ascidians/famili ... wspot1.htm
Also ther are similar species with blue color but classified as another species: Nephteis
http://www.starfish.ch/collection/chordata.html
At first, I also thought they are some kind of sea pen or sea pansy,
but cannot found an identical species.
Since they are tunicates, then they are not invertebrates.
Sometimes, from their appearance, it is hard to imagine that they are vertebrate animal or at least from the Urochordata phylum :wink:
How come I cannot see my photo attached last night?