I read mixed information I try and kill my big mistake yellow polyps when they get close to the blastos. I've read blastos are wimpy corals that have no protection against other corals is this true? This article says just the opposite who to believe?
http://animal-world.com/Aquarium-Cor...s/Blasto-Coral
Compatibility and Social Behaviors
The Blastomussa genus is aggressive towards other corals. The B. wellsi will tolerate their same species, but they do need to be kept well away from other corals. They have tentacles that come out at night and sting nearby corals, but more than likely are the ones that will be over taken.
The the wild, the Blastomussa corals coexists with many organisms that find its skeletal structure ideal for hiding, and protection from predators. It is found with various mollusks, sponges and some sessile invertebrates.