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Alveopora catalai

Wells, 1968

Colonies are composed of gnarled branches that divide irregularly. They may form stands over 5 metres across. Corallites are large, composed of an interlocking network of rods and spines. Polyps are large with knob-like tentacle tips.

Colour: Pale tan when polyps are retracted. Extended polyps are amber or yellowish with white oral discs, sometimes with white tentacle tips.

Habitat: Occurs only on soft substrates in deep water or in shallow turbid water protected from wave action and currents.

Abundance: Uncommon but conspicuous.

Similar species: Alveopora gigas

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Veron and Pichon (1982). Additional identification guides: Veron (1986), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Alveopora catalai.  Philippines.  This species commonly forms extensive beds of flower-like polyps.  Charlie Veron.

Alveopora catalai.Philippines.This species commonly forms extensive beds of flower-like polyps.Charlie Veron.

Alveopora catalai.  Philippines.  When polyps are fully extended they are long tubes.  Charlie Veron.

Alveopora catalai.Philippines.When polyps are fully extended they are long tubes.Charlie Veron.

Alveopora catalai.  Papua New Guinea.  The colony shape is revealed when polyps are retracted.  Charlie Veron.

Alveopora catalai.Papua New Guinea.The colony shape is revealed when polyps are retracted.Charlie Veron.

Alveopora catalai.  Papua New Guinea.  Characteristic appearance of fully extended polyps.  Charlie Veron.

Alveopora catalai.Papua New Guinea.Characteristic appearance of fully extended polyps.Charlie Veron.

Alveopora catalai.  Great Barrier Reef, Australia.  Detail of retracting polyps.  Charlie Veron.

Alveopora catalai.Great Barrier Reef, Australia.Detail of retracting polyps.Charlie Veron.

Alveopora catalai.  Great Barrier Reef, Australia.  Showing corallites.

Alveopora catalai.Great Barrier Reef, Australia.Showing corallites.

Alveopora catalai.  Great Barrier Reef, Australia.  Showing branching pattern.

Alveopora catalai.Great Barrier Reef, Australia.Showing branching pattern.

Alveopora catalai.  Great Barrier Reef, Australia.  Showing characteristic branching pattern.

Alveopora catalai.Great Barrier Reef, Australia.Showing characteristic branching pattern.

Alveopora catalai.  Great Barrier Reef, Australia.  Showing branch end.

Alveopora catalai.Great Barrier Reef, Australia.Showing branch end.