diving.voyage
Brain coral

Marine life profile

Brain coral

Recorded at 12 dive sites

Where divers encounter it

Explore Brain coral around the world

Brain coral is a common name given to various corals in the families Mussidae and Merulinidae, so called due to their generally spheroid shape and grooved surface which resembles a brain. The living polyps extend feeding tentacles, often after dark, while the colony slowly builds its shared skeleton.

Dive sites12
Countries7
Animal groupInvertebrates
Safety profileGenerally Harmless

Meet the species

What to look for

How to Recognize It

Rounded colonies covered in winding ridges and valleys that resemble the folds of a brain.

How It Behaves

The living polyps extend feeding tentacles, often after dark, while the colony slowly builds its shared skeleton.

Special Ability

Many tiny animals cooperate as one long-lived structure, adding limestone beneath themselves layer by layer.

Dive responsibly

Share the water well

How to Approach

Perfect your buoyancy and observe from above without touching the animal or the surface supporting it.

Safety

Many invertebrates are fragile, venomous or irritating to skin. Keep hands, fins and equipment clear.

Worth knowing

The detail you remember

Interesting Facts

A large colony may preserve years of environmental history inside its growth bands.

Where to Find

Look closely on reef walls, coral heads, sand, seagrass, jetties and shaded overhangs.

Known countries

Sint MaartenThailandDominican RepublicBrazilMalaysiaGrenada