Bubble coral!! Large polyp stony corals are pretty fantastic, but those soft polyps belie a sharp, angular skeleton beneath. Plus, these deceptively squishy dudes are aggressive, and will extend sweeper tentacles to sting nearby coral! ~ ~
Staghorn coral is one of the most prolific reef-builders, dominants on many reefs around the world and also provide important habitat for other reef animals, especially small fishes. This photo taken at Redang Island,Malaysia. Staghorn corals grown well at Redang!