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Madracis mirabilis

(Lyman, 1859)

Colonies are branching. Corallites are widely separated, sometimes angular in outline, with a solid conical columella. Usually ten septa are present and these are fused with the columella. The coenosteum has fine spinules which sometimes form a ridge between corallites. Tentacles are extended day and night.

Colour: Light yellow, cream or pale brown.

Habitat: Shallow reef environments.

Abundance: Common.

Similar species: Madracis decactis

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Wells (1973b), Cairns (1982). Additional identification guides: Colin (1978), Humann (1993).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Madracis mirabilis.  Caribbean.  This species usually occurs as clumps of tightly compacted branches.  Mary Stafford-Smith.

Madracis mirabilis.Caribbean.This species usually occurs as clumps of tightly compacted branches.Mary Stafford-Smith.

Madracis mirabilis.  Caribbean.  A large colony composed of dense thickets of elongate branches. Branches are usually too compact for the structure of the colony to be observed from above..  Charlie Veron.

Madracis mirabilis.Caribbean.A large colony composed of dense thickets of elongate branches. Branches are usually too compact for the structure of the colony to be observed from above..Charlie Veron.

Madracis mirabilis.  Caribbean.  A colony with tentacles extended during the day.  Charlie Veron.

Madracis mirabilis.Caribbean.A colony with tentacles extended during the day.Charlie Veron.

Madracis mirabilis.  Caribbean.  Surface detail.  Charlie Veron.

Madracis mirabilis.Caribbean.Surface detail.Charlie Veron.

Madracis mirabilis.  Caribbean.  Polyp detail.  Nancy Sefton.

Madracis mirabilis.Caribbean.Polyp detail.Nancy Sefton.

Madracis mirabilis. Skeletal detail.  Geoff Kelly.

Madracis mirabilis.Skeletal detail.Geoff Kelly.

Madracis mirabilis.  Caribbean.  Showing colony surface.

Madracis mirabilis.Caribbean.Showing colony surface.

Madracis mirabilis.  Caribbean.  Showing whole colony.

Madracis mirabilis.Caribbean.Showing whole colony.

Madracis mirabilis.  Caribbean.  Showing corallites.

Madracis mirabilis.Caribbean.Showing corallites.

Madracis mirabilis.  Caribbean.  Showing branches.

Madracis mirabilis.Caribbean.Showing branches.

Madracis mirabilis.  Caribbean.  Showing corallites.

Madracis mirabilis.Caribbean.Showing corallites.