Neat photosynthetic blue sponge likes to live among stony corals

Corals command so┬ámuch of the spotlight when it comes to aquariums, it’s easy for us reefers to forget that there’s an incredible diversity of other creatures that populate the reef environment. One such critter that caught our attention on the…

Blue Photo Sponge, Collospongia auris, seems to be growing well in reef tanks

When the Blue Photo Sponge, Collospongia auris, first started to become available in the marine ornamental trade, we were apprehensive that this reef organism wouldn’t take over and smother corals like the chicken liver sponge often does. We’ve now seen…