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Odd Critter Gallery

Orange Linkia Sea Star - Linkia sp.
Corkscrew Long Tentacle Anemone - Macrodactyla doreensis
Green Bubbletip Anemone - Entacmaea quadricolor
Orange Center Zoanthids
Red Leg Hermit Crab
Blue Tuxedo Sea Urchin - Mespilia globulis
Trochus Snail Spawn

Valonia Algae Bubble

This is one of the largest single cell organisms.  They typically grow as an individual as shown here but I have also seen them grow in small clusters.

The valonia is attached to the surface via rhizoids which can be thought of something like a root. It is pretty strong and can make removal of this algae difficult.

Valonia Algae Bubble over 1 inch in size

I find it is easier to remove this bubble alage if you can twist it much like how you would unscrew a light bulb.This can break the rhizoids without popping the bubble as the bubble may contain spores which will generate new valonia bubbles.