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Montipora cactus

Bernard, 1897

Colonies are submassive or have laminar bases and form tall columns and branches. Laminar and digitate forms are usually found in turbid water, submassive and columnar forms occur on reef slopes. Corallites are mostly exsert. The coenosteum has a dense cover of papillae of uniform length.

Colour: Brownish, usually with white tips to coenosteum papillae, especially on distal parts of branches.

Habitat: Sheltered environments, especially sheltered lagoons with turbid water and soft substrates.

Abundance: Common.

Similar species: Montipora grisea , Montipora hispida

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Nemenzo (1967). Additional identification guide: Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Montipora cactus.  Philippines.  Branches.  Charlie Veron.

Montipora cactus.Philippines.Branches.Charlie Veron.

Montipora cactus.  Philippines.  Plate-like base with few branches.  Charlie Veron.

Montipora cactus.Philippines.Plate-like base with few branches.Charlie Veron.

Montipora cactus.  Indonesia.  Colonies of plates and branches.  Charlie Veron.

Montipora cactus.Indonesia.Colonies of plates and branches.Charlie Veron.

Montipora cactus.  Indonesia.  Colonies of plates and branches.  Charlie Veron.

Montipora cactus.Indonesia.Colonies of plates and branches.Charlie Veron.

Montipora cactus.  Ryukyu Islands, Japan.  Branches cactus/digitata/altasepta.  Charlie Veron.

Montipora cactus.Ryukyu Islands, Japan.Branches cactus/digitata/altasepta.Charlie Veron.

Montipora cactus. Skeletal detail.  Geoff Kelly.

Montipora cactus.Skeletal detail.Geoff Kelly.

Montipora cactus.  Philippines.  Showing branches.

Montipora cactus.Philippines.Showing branches.

Montipora cactus.  Philippines.  Showing colony surface.

Montipora cactus.Philippines.Showing colony surface.

Montipora cactus.  Philippines.  Showing colony surface.

Montipora cactus.Philippines.Showing colony surface.

Montipora cactus.  Ryukyu Islands, Japan.  Showing branches.

Montipora cactus.Ryukyu Islands, Japan.Showing branches.

Montipora cactus.  Ryukyu Islands, Japan.  Showing colony surface.

Montipora cactus.Ryukyu Islands, Japan.Showing colony surface.