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Montipora effusa

Dana, 1846

Colonies are submassive or form extensive, thick unifacial plates. Corallites are small and exsert, with elongate thecal papillae. The colony surface has a rough appearance.

Colour: Mostly brown with brightly coloured polyps.

Habitat: Most reef environments.

Abundance: Uncommon.

Similar species: Montipora patula , Montipora stilosa

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Dana’s original description/ specimens.

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Montipora effusa.  Great Barrier Reef, Australia.  Submassive colony.  Charlie Veron.

Montipora effusa.Great Barrier Reef, Australia.Submassive colony.Charlie Veron.

Montipora effusa.  Great Barrier Reef, Australia.  Colony surface.  Charlie Veron.

Montipora effusa.Great Barrier Reef, Australia.Colony surface.Charlie Veron.

Montipora effusa.  Vanuatu.  Detail with polyps extended.  Charlie Veron.

Montipora effusa.Vanuatu.Detail with polyps extended.Charlie Veron.

Montipora effusa.  Vanuatu.  Showing corallites.

Montipora effusa.Vanuatu.Showing corallites.

Montipora effusa.  Locality not recorded.  Showing corallites.

Montipora effusa.Locality not recorded.Showing corallites.

Montipora effusa.  Ryukyu Islands, Japan.  Showing massive colony.

Montipora effusa.Ryukyu Islands, Japan.Showing massive colony.

Montipora effusa.  Ryukyu Islands, Japan.  Showing corallites.

Montipora effusa.Ryukyu Islands, Japan.Showing corallites.