Anchor Coral (Euphyllia ancora)

Also known as Anchor Bubble Coral, Bubble Coral, Bubble Honeycomb Coral, Hammer Coral, Hammer Euphyllia, Hammerhead Coral, Ridge Coral, Sausage Coral, Torch Coral

Description

Also known as Anchor Bubble Coral, Bubble Coral, Bubble Honeycomb Coral, Hammer Coral, Hammer Euphyllia, Hammerhead Coral, Ridge Coral, Sausage Coral, Torch Coral.

Found small to very large colonies over shallow exposed areas with moderate wave action over reef slopes and rocky outcrops of coral and rocky reefs.
They feed on plankton.
Colours vary green, brown, with a paler edge, resembles a bean shape.
Length - 200cm
Depth - 0-40m
Widespread Indo-West Pacific

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. (edit) Ref: https://en.wikipedia.org/wiki/Euphyllia_ancora

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