any idea what this is?

[jordanh]

It's slowly showing up on some rocks I got from a fellow reefer a few months ago.
http://fatvarmits.com/tank_pics/turf.jpg

[johnmaloney]

looks like a cool variation of suction cup caulerpa. Awesome.

[oceanfan]

Acetabularia, very nice! :)

[Eklikewhoa]

Dang that's cool!!

[johnmaloney]

isn't acetabularia - you can tell from the stalks (always a pale green with acetabularia - really looks white), also there are noticeable runners here, you wouldn't get that from acetabularia.

[oceanfan]

Oh yes, I have not seen the runners...:hmm4:

[piercho]

This is a cool one. I would identify it as Polyphsa polyphysoides, refering to a pic and this descrip from page 26 of MARINE PLANTS OF THE CARIBBEAN (Littler, Littler, Bucher, and Norris - 1989):
"Very small, inconspicuous plants (5-10 mm tall) composed of a short stalk and topped by only one flat or cup-shapped disk generally 1.5-5.0 mm in diameter. the disk comprises 11-25 rays joined by light lime deposits. Rays are rounded at the outer tips. These plants are easily confused with Acetubularia but are cosiderably smaller."

[BruceW]

Dude if you every make some frags or want to get rid of the rock that it is growing on put me first in line. I really like the dark green color and the small size would be perfect for a nano tank.

Bruce

[johnmaloney]

i have that book I got to check that one out. really cool find! great id piercho