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Cycloseris curvata

(Hoeksema, 1989)

Polyps are usually strongly arched and up to 90 millimetres diameter. Septa are thick, exsert, and curve irregularly when seen from above.

Colour: Brown or green.

Habitat: Soft inter-reef and sometimes reef substrates.

Abundance: Uncommon.

Similar species: Cycloseris cyclolites

Taxonomic note: Taxonomic note: This species is divisible into several geographically separated, semi-distinct taxonomic units. Source reference: Veron (2000). Taxonomic reference: Hoeksema (1989, as Fungia (Cycloseris) curvata). Additional identification guide: Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Cycloseris curvata.  Far eastern Pacific islands.  Polyp with tentacles extended during the day.  Joshua Feingold.

Cycloseris curvata.Far eastern Pacific islands.Polyp with tentacles extended during the day.Joshua Feingold.

Cycloseris curvata.  Ryukyu Islands, Japan.  Showing upper surface.

Cycloseris curvata.Ryukyu Islands, Japan.Showing upper surface.

Cycloseris curvata.  Ryukyu Islands, Japan.  Showing costae.

Cycloseris curvata.Ryukyu Islands, Japan.Showing costae.

Cycloseris curvata.  Ryukyu Islands, Japan.  Showing septa.

Cycloseris curvata.Ryukyu Islands, Japan.Showing septa.