Pocillopora grandis (Robust Cactus Coral) is a species of cnidarians in the family Pocilloporidae. They are listed as near threatened by IUCN and in cites appendix ii. Dead Robust Cactus Coral form shallow marine sediments. Robust Cactus Coral form marine reefs. Individuals can grow to 136 µm. They have asexual reproduction and sexual reproduction; they are broadcast spawners.
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