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Porites rus

(Forskål, 1775)

Colonies are submassive, laminar or contorted anastomosing branches and columns, commonly over 5 metres across. Corallites are separated into groups by ridges which characteristically converge towards each other forming flame-shaped patterns.

Colour: Pale cream, yellow or dark bluish-brown, often with pale branch tips. Sometimes brightly coloured in shallow water.

Habitat: Shallow reef environments.

Abundance: Common and may be a dominant species in a wide range of habitats.

Similar species: Porites cumulatus , Porites deformis , Porites monticulosa , Porites ornata

Taxonomic note: Taxonomic note: This species is divisible into several smaller semi-distinct taxonomic units. Source reference: Veron (2000). Taxonomic reference: Veron and Pichon (1982). Additional identification guides: Randall and Myers (1983), Veron (1986), Sheppard and Sheppard (1991), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Porites rus.  Tanzania.  A large hemispherical colony.  Charlie Veron.

Porites rus.Tanzania.A large hemispherical colony.Charlie Veron.

Porites rus.  Scott Reef, western Australia.  In an intertidal habitat.  Charlie Veron.

Porites rus.Scott Reef, western Australia.In an intertidal habitat.Charlie Veron.

Porites rus.  Tanzania.  A small colony composed of branches on the upper part and plates on the lower part.  Charlie Veron.

Porites rus.Tanzania.A small colony composed of branches on the upper part and plates on the lower part.Charlie Veron.

Porites rus.  Great Barrier Reef, Australia.  Forming a cluster of branches.  Charlie Veron.

Porites rus.Great Barrier Reef, Australia.Forming a cluster of branches.Charlie Veron.

Porites rus.  Vietnam.  Detail of an irregular plate.  Charlie Veron.

Porites rus.Vietnam.Detail of an irregular plate.Charlie Veron.

Porites rus.  Cocos Keeling Islands, Indian Ocean.  Detail of a branch.  Charlie Veron.

Porites rus.Cocos Keeling Islands, Indian Ocean.Detail of a branch.Charlie Veron.

Porites rus. Diagram showing corallite characters.   .

Porites rus.Diagram showing corallite characters. .

Porites rus.  Great Barrier Reef, Australia.  Showing corallite detail.

Porites rus.Great Barrier Reef, Australia.Showing corallite detail.

Porites rus.  Great Barrier Reef, Australia.  Showing skeletal detail.

Porites rus.Great Barrier Reef, Australia.Showing skeletal detail.

Porites rus.  Great Barrier Reef, Australia.  Showing colony surface.

Porites rus.Great Barrier Reef, Australia.Showing colony surface.

Porites rus.  Great Barrier Reef, Australia.  Showing branches.

Porites rus.Great Barrier Reef, Australia.Showing branches.

Porites rus.  Great Barrier Reef, Australia.  Showing plate formation.

Porites rus.Great Barrier Reef, Australia.Showing plate formation.

Porites rus.  Great Barrier Reef, Australia.  Showing a submassive colony.

Porites rus.Great Barrier Reef, Australia.Showing a submassive colony.