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Anacropora matthai

Pillai, 1973

Colonies sprawl over the substrate and have dead bases so that they fall apart if disturbed. Branches are less than 5 millimetres thick, are generally straight and do not taper. Corallites are tubular and project up to 1.5 millimetres. Tentacles may be extended day and night.

Colour: Brown with pale brown or cream branch tips.

Habitat: May cover extensive areas on horizontal muddy substrates with clear water.

Abundance: Usually rare.

Similar species: Anacropora pillai

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Pillai (1973), Veron and Wallace (1984). Additional identification guides: Veron (1986), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Anacropora matthai.  Papua New Guinea.  Fine branches.  Charlie Veron.

Anacropora matthai.Papua New Guinea.Fine branches.Charlie Veron.

Anacropora matthai.  Indonesia.  This species (left) normally occurs as compact thickets of fine branches growing on soft substrates. It occurs here on an upper reef slope with Hydnophora rigida (yellow centre right) and other corals.  Charlie Veron.

Anacropora matthai.Indonesia.This species (left) normally occurs as compact thickets of fine branches growing on soft substrates. It occurs here on an upper reef slope with Hydnophora rigida (yellow centre right) and other corals.Charlie Veron.

Anacropora matthai.  Great Barrier Reef, Australia.  Showing branch tip.

Anacropora matthai.Great Barrier Reef, Australia.Showing branch tip.

Anacropora matthai.  Great Barrier Reef, Australia.  Showing characteristic branching pattern.

Anacropora matthai.Great Barrier Reef, Australia.Showing characteristic branching pattern.

Anacropora matthai.  Great Barrier Reef, Australia.  Showing branch tip.

Anacropora matthai.Great Barrier Reef, Australia.Showing branch tip.

Anacropora matthai.  Great Barrier Reef, Australia.  Showing corallites.

Anacropora matthai.Great Barrier Reef, Australia.Showing corallites.