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Cladocora arbuscula

(Lesueur,1821)

Colonies consist of clumps of interlocking tubular corallites which are less than 4 millimetres diameter. Clumps may be compact and attached to hard substrates or loose aggregations on soft substrates which readily fall apart if disturbed. Usually only the terminal parts of corallites are alive. Corallite walls and septo-costae are both thin and delicate. The latter are in two alternating orders and have irregular teeth.

Colour: Tan or brown, with translucent tentacles.

Habitat: Seagrass beds and other turbid environments where there is a lot of sediment.

Abundance: Uncommon, rare on reefs.

Similar species: Cladocora caespitosa

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Zibrowius (1980), Cairns (1982). Additional identification guides: Colin (1978), Wood (1983), Humann (1993).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Cladocora arbuscula.  Caribbean.  Irregular tubular corallites attached to dead basil corallites.  Paul Humann.

Cladocora arbuscula.Caribbean.Irregular tubular corallites attached to dead basil corallites.Paul Humann.

Cladocora arbuscula.  Caribbean.  Corallites are irregular tubes branching perpendicularly. Polyps are extended during the day.  Paul Humann.

Cladocora arbuscula.Caribbean.Corallites are irregular tubes branching perpendicularly. Polyps are extended during the day.Paul Humann.

Cladocora arbuscula.  Caribbean.  On a sandy substrate.  Paul Humann.

Cladocora arbuscula.Caribbean.On a sandy substrate.Paul Humann.

Cladocora arbuscula.  Caribbean.  Showing corallites.

Cladocora arbuscula.Caribbean.Showing corallites.

Cladocora arbuscula.  Caribbean.  Showing whole colony.

Cladocora arbuscula.Caribbean.Showing whole colony.