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BiologyUnlike most corals within the family Dendrophyllidae, Turbinaria peltata is zooxanthellate. Zooxanthellate corals live in symbiosis with unicellular algae known as zooxanthellae, which are essential to their growth and survival. Protected within the coral tissue, the algae provide their hosts with nutrients and energy, whilst also helping to remove metabolic wastes. The cost of this symbiosis is that zooxanthellate corals are constrained to live in relatively shallow waters where the algae are able to photosynthesise (3). All Turbinaria species breed during the autumn in falling sea temperatures. Unlike most corals which are hermaphroditic (3), Turbinaria have separate male and female sexes, and probably release gametes for external fertilisation (4).