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Astrangia poculata

(Ellis and Solander, 1786)

Colonies are encrusting, submassive or branching. Colonies are both zooxanthellate and azooxanthellate, depending primarily on light conditions. Corallites are tightly compacted, mostly circular and up to 10 millimetres diameter. Corallite walls are well defined. Septal margins are beaded. Columellae are well developed.

Colour: Translucent to brown, depending on the presence of zooxanthellae.

Habitat: Rocky shores and jetty pilings. Tolerant of a wide range of temperatures.

Abundance: Common.

Similar species:

Taxonomic note: Taxonomic note: This species is also known as Astrangia danae and A. astreiformis in recent publications. Corals from the eastern Atlantic Ocean are attributed to this species with doubt. Source reference: Veron (2000). Taxonomic reference: Peters et al. (1988).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Astrangia poculata.  South-eastern USA.  Colonies usually consist of small clumps of tubular corallites. Polyp tissues vary in colour according to the quantity of azooxanthellatae they contain.  Wes Pratt.

Astrangia poculata.South-eastern USA.Colonies usually consist of small clumps of tubular corallites. Polyp tissues vary in colour according to the quantity of azooxanthellatae they contain.Wes Pratt.

Astrangia poculata.  South-eastern USA.  Colonies usually consist of small clumps of tubular corallites. Polyp tissues vary in colour according to the quantity of azooxanthellatae they contain.  Wes Pratt.

Astrangia poculata.South-eastern USA.Colonies usually consist of small clumps of tubular corallites. Polyp tissues vary in colour according to the quantity of azooxanthellatae they contain.Wes Pratt.

Astrangia poculata.  South-eastern USA.  Showing corallites.

Astrangia poculata.South-eastern USA.Showing corallites.

Astrangia poculata.  South-eastern USA.  Showing corallites.

Astrangia poculata.South-eastern USA.Showing corallites.