Callyspongia Sponge Coral or Colonial tube-sponge in The Reef of The Red Sea , Callyspongia is a genus of demosponges in the family Callyspongiidae

callyspongia sponge colonial siphonochalina siphonella siphonochalina siphonella red sea red sea demosponges callyspongiidae plerogyra sinuosa plerogyra sinuosa coral cnidarian cnidaria bubble goniopora flowers flower flowerpot reef soft stony water scuba diving snorkel nature colony salt vacation enigmatic fancy waters snorkeling swim swimming safari