Acropora indonesia

Acropora indonesia is a species of acroporid coral that was first described by Dr Carden Wallace in 1997. Found in marine, tropical, shallow reefs in sheltered flat locations or gentle slopes, it occurs at depths of 10 to 20 m (33 to 66 ft). It is listed as a vulnerable species on the IUCN Red List, and it is thought to have a decreasing population. It is common and found over a large area, and is listed on CITES Appendix II.

Acropora indonesia
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoa
Order: Scleractinia
Family: Acroporidae
Genus: Acropora
Species:
A. indonesia
Binomial name
Acropora indonesia
Wallace, 1997

Description

Acropora indonesia occurs in dense tiered cushion-shaped structures[2] that are up to 1 metre (3 ft 3 in) in depth.[3] In colour, it is between dark grey/dark brown and pale, and the branches are tightly packed, thin, and upright. Branches at the perimeter of the structure have upward-facing ends and are up to 80mm long, and the axial corallites are normally obvious.[2][3] The radial corallites are the same size. Within genus Acropora, there are no species similar to this.[2] It is found in a marine environment in tropical, shallow reefs at depths of 10 to 20 m (33 to 66 ft), and also on gently sloping submerged surfaces and ledges.[1] The species is composed of aragonite (calcium carbonate).[4]

Distribution

Acropora indonesia is common and found over a large area; the Indo-Pacific, Banggai, Raja Ampat, Thailand, Sulawesi, Indonesia (all six regions), the Solomon Islands, and the Philippines. It is native to Thailand, Singapore, Australia, Indonesia, Malaysia, Papua New Guinea, Myanmar, and the Philippines.[1] There is no exact population for the species, but it is known to be decreasing overall, given threats from disease and bleaching caused by the rising sea temperatures. It is prey to starfish Acanthaster planci, which is becoming a common species, and is threatening numbers of Acropora species. It is also threatened by human activities, fishing, climate change, and industry.[1] It is classed as a vulnerable species on the IUCN Red List, is listed under CITES Appendix II, and may occur in Marine Protected Areas.[1]

Taxonomy

C. C. Wallace first described the species in 1997 as Acropora indonesia, in Indonesia.[5]

References
  1. "Acropora indonesia". IUCN Red List of Threatened Species. Retrieved 12 August 2015.
  2. "Acropora indonesia. Fact Sheet. Wallace, 1997". Australian Institute of Marine Science. Retrieved 15 December 2014.
  3. Wallace, Carden (1 September 1999). Staghorn Corals of the World: A Revision of the Genus Acropora. Csiro Publishing. p. 58. ISBN 978-0-643-10281-1.
  4. "Measurements and facts about Acropora indonesia". Encyclopedia of Life. Retrieved 15 December 2014.
  5. "Acropora indonesia Wallace, 1997". World Register of Marine Species. Retrieved 15 December 2014.
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