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Pectinia lactuca

(Pallas, 1766)

Colonies are submassive or form thick plates and frequently exceed one metre across. They have elongate valleys and walls of relatively uniform height. Most valleys can be traced from the colony centre to the margins.

Colour: Uniform grey, brown or green.

Habitat: Most reef environments, especially lower reef slopes and turbid water habitats.

Abundance: Common.

Similar species: Pectinia ayleni , Pectinia maxima

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Veron and Pichon (1980). Additional identification guides: Veron (1986), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Pectinia lactuca.  Papua New Guinea.  A large colony with long valleys.  Charlie Veron.

Pectinia lactuca.Papua New Guinea.A large colony with long valleys.Charlie Veron.

Pectinia lactuca.  Philippines.  The characteristic features of a well developed colony.  Charlie Veron.

Pectinia lactuca.Philippines.The characteristic features of a well developed colony.Charlie Veron.

Pectinia lactuca.  Papua New Guinea.  Valleys became compacted if space is limiting.  Charlie Veron.

Pectinia lactuca.Papua New Guinea.Valleys became compacted if space is limiting.Charlie Veron.

Pectinia lactuca.  Philippines.  This species commonly forms tiers of overlapping plates.  Charlie Veron.

Pectinia lactuca.Philippines.This species commonly forms tiers of overlapping plates.Charlie Veron.

Pectinia lactuca.  Great Barrier Reef, Australia.  Valleys running perpendicular to the colony margin.  Mary Stafford-Smith.

Pectinia lactuca.Great Barrier Reef, Australia.Valleys running perpendicular to the colony margin.Mary Stafford-Smith.

Pectinia lactuca.  Papua New Guinea.  Detail of valleys.  Neville Coleman.

Pectinia lactuca.Papua New Guinea.Detail of valleys.Neville Coleman.

Pectinia lactuca.  Great Barrier Reef, Australia.  Showing valleys.

Pectinia lactuca.Great Barrier Reef, Australia.Showing valleys.

Pectinia lactuca.  Great Barrier Reef, Australia.  Showing whole colony.

Pectinia lactuca.Great Barrier Reef, Australia.Showing whole colony.

Pectinia lactuca.  Great Barrier Reef, Australia.  Showing valleys.

Pectinia lactuca.Great Barrier Reef, Australia.Showing valleys.

Pectinia lactuca.  Great Barrier Reef, Australia.  Showing whole colony.

Pectinia lactuca.Great Barrier Reef, Australia.Showing whole colony.

Pectinia lactuca.  Great Barrier Reef, Australia.  Showing valleys.

Pectinia lactuca.Great Barrier Reef, Australia.Showing valleys.