Skip to Content
Sign up
Report an error

Porites horizontalata

Hoffmeister, 1925

Colonies are composites of encrusting laminae and contorted anastomosing branches. Corallites are separated into groups by ridges.

Colour: Pale brown with cream extremities of branches and plates. Sometimes brightly coloured in shallow water.

Habitat: Shallow reef environments.

Abundance: Sometimes common.

Similar species: Porites eridani , Porites rus , Porites vaughani

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Wells (1954), Veron and Pichon (1982). Additional identification guide: Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Porites horizontalata.  Ryukyu Islands, Japan.  An irregular branching colony.  Moritaka Nishihra.

Porites horizontalata.Ryukyu Islands, Japan.An irregular branching colony.Moritaka Nishihra.

Porites horizontalata.  Solomon Islands.  An encrusting colony.  Neville Coleman.

Porites horizontalata.Solomon Islands.An encrusting colony.Neville Coleman.

Porites horizontalata.  Micronesia.  Colony composed of flat plates.  Pat Colin.

Porites horizontalata.Micronesia.Colony composed of flat plates.Pat Colin.

Porites horizontalata.  Papua New Guinea.  Surface of a plate.  Charlie Veron.

Porites horizontalata.Papua New Guinea.Surface of a plate.Charlie Veron.

Porites horizontalata.  Indonesia.  Forming irregular upgrowths.  Charlie Veron.

Porites horizontalata.Indonesia.Forming irregular upgrowths.Charlie Veron.

Porites horizontalata.  Indonesia.  Corallite detail.  Charlie Veron.

Porites horizontalata.Indonesia.Corallite detail.Charlie Veron.

Porites horizontalata. Diagram showing corallite characters.   .

Porites horizontalata.Diagram showing corallite characters. .

Porites horizontalata.  Ryukyu Islands, Japan.  Showing small colony.

Porites horizontalata.Ryukyu Islands, Japan.Showing small colony.

Porites horizontalata.  Ryukyu Islands, Japan.  Showing corallites.

Porites horizontalata.Ryukyu Islands, Japan.Showing corallites.

Porites horizontalata.  Ryukyu Islands, Japan.  Showing corallites.

Porites horizontalata.Ryukyu Islands, Japan.Showing corallites.

Porites horizontalata.  Philippines.  Showing corallites.

Porites horizontalata.Philippines.Showing corallites.