wow, notrton you just posted pics of your tank and it had looked great i loved your T.derasa. Well take care dude you will be back this is a addicting hobby. :)
looks like slime algae to me also known as blue green algae. its red to maroon,green or black the silver looking bubbles is trapped oxygen produced from photosynthesis. a good skimmer should take care of the problem along with your snails astrea snails are a good choice
Thats stange Len. :o I have one and ive never seen him do that before even when he sleeps he just makes a coccoon type thing to cover himself
maybe he thinks hes a goby... :)
hey X
Yes Trachyphyllia geoffroyi does come in a round shape form and can be confused with Scolymia and Cynarina. IMO i think that is indeed a T.geoffroyi