Neither dendros nor tubastrea are strictly nocturnal. If you feed them during the day they will eventually open during the day. My dendros stay open day and night but I don't know about the branching kind it seems from aquabac's reports that they are more difficult to work with.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.