Stony Corals (Acroporidae)
Branching Corals, Nasuta Coral, Branching Staghorn Coral, Finger Staghorn Coral, Bushy Finger Coral, Polyp Bushy Coral.
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Also known as Branching Corals, Nasuta Coral, Branching Staghorn Coral, Finger Staghorn Coral, Bushy Finger Coral and Polyp Bushy Coral.
Found on coral and rocky reefs, usually in shallow water.
Varies in colour.
They feed on plankton.
Length - 17cm
Depth - 3-15m
Stony corals have hard stony skeletons, their polyps have six tentacles or are made up of multiples of six. These are usually nocturnal, however if the sky's are overcast, then many will feed during the day.
Generally the more robust corals life on exposed areas, while the smaller corals live in sheltered lagoons or deeper waters.
Stony corals are reef building corals and embedded in their flesh are thousands of minute single-celled marine plants called zooxanthellae which accounts for their colour.
These corals support a huge diversity of life, their main predator being the crown-of-thorns sea star.
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