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Staghorn Coral

Acropora microclados (Ehrenberg 1834)

Acropora microclados

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Acropora microclados is a species of acroporid coral that was first described by Christian Gottfried Ehrenberg in 1834. Found in marine, tropical shallow reefs on the upper slopes, it is found at depths of 5 to 20 m (16 to 66 ft). It is listed as a vulnerable species on the IUCN Red List, and its population is decreasing. It is uncommon but found over a large area, including in five regions of Indonesia, and is classified under CITES Appendix II.

Description

Acropora microclados is found in colonies of corymbose structures, and can be 1 m (3.3 ft) wide.[2] The structures consist of branchlets, which are short, become thin at the ends, and orderly, and the width of the branchlet bases can reach 10 mm (0.39 in). It is usually pale pink/brown in colour, and its tentacles extend during the day, and are grey. Branchlets contain axial, incipient axial, and radial corallites. Axial corallites are located at the end of branchlets, and are tube-shaped. Incipient axial corallites frequently occur.[2] The radial corallites occur up the sides of the branchlets, are tube-shaped, close together, and each contains nose-shaped openings. It looks similar to Acropora lamarcki, Acropora macrostoma, and Acropora massawensis.[2] The species is found in a marine environment in tropical shallow reefs on the upper slopes, at depths of between 5 and 20 m (16 and 66 ft).[1] It is composed of aragonite (calcium carbonate).[3]

Distribution

Acropora microclados is found over a large range and is uncommon; the Indo-Pacific Ocean, the Red Sea, the Indian Ocean, the Gulf of Aden, the East China Sea, the West Pacific, the Cook Islands, Australia, Japan, Southeast Asia, Samoa, and Chagos. It occurs in five regions of Indonesia.[1] It occurs at temperatures of 25.48 to 27.23 °C (77.86 to 81.01 °F).[3] There is a lack of population data for the coral, but numbers are believed to be declining. It is threatened by climate change, rising sea temperatures causing bleaching, reef destruction, coral disease, being prey to starfish Acanthaster planci, and human activity. It is classed as a vulnerable species on the IUCN Red List, is listed under CITES Appendix II, and might occur within Marine Protected Areas.[1]

Taxonomy

It was first described by Christian Gottfried Ehrenberg in 1834 as Heteropora microclados.[4]

References

  1. ^ a b c d "Acropora microclados". IUCN Red List of Threatened Species. Retrieved 21 December 2014.old-form url
  2. ^ a b c "Acropora microclados. Fact Sheet. (Ehrenberg, 1834)". Australian Institute of Marine Science. Retrieved 21 December 2014.
  3. ^ a b "Measurements and facts about Acropora microclados". Encyclopedia of Life. Retrieved 21 December 2014.
  4. ^ "Acropora microclados (Ehrenberg, 1834)". World Register of Marine Species. Retrieved 21 December 2014.
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Acropora microclados: Brief Summary

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Acropora microclados is a species of acroporid coral that was first described by Christian Gottfried Ehrenberg in 1834. Found in marine, tropical shallow reefs on the upper slopes, it is found at depths of 5 to 20 m (16 to 66 ft). It is listed as a vulnerable species on the IUCN Red List, and its population is decreasing. It is uncommon but found over a large area, including in five regions of Indonesia, and is classified under CITES Appendix II.

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Biology

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bibliographic citation
Faure, G. (1977). Annotated checklist of the corals in the Mascarene Archipelago, Indian Ocean. <em>Atoll Research Bulletin.</em> 203: 1-26. Faure, G. (1977). Annotated checklist of the corals in the Mascarene Archipelago, Indian Ocean. <em>Atoll Research Bulletin.</em> 203: 1-26. van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
contributor
Jacob van der Land [email]

Description

provided by World Register of Marine Species
Colonies are corymbose plates with branches up to 10 mm thick which are tapering, evenly spaced and curving upward to a uniform height. Colour: always a distinctive pale pinky brown. Pale-grey tentacles are often extended during the day. Abundance: uncommon except on some upper reef slopes. Colonies are up to approximately 1 m in diameter (Veron, 1986).

Reference

Faure, G. (). Annotated checklist of the corals in the Mascarene Archipelago, Indian Ocean. Atoll Research Bulletin. : -.

license
cc-by-4.0
copyright
WoRMS Editorial Board
bibliographic citation
Faure, G. (1977). Annotated checklist of the corals in the Mascarene Archipelago, Indian Ocean. <em>Atoll Research Bulletin.</em> 203: 1-26. Faure, G. (1977). Annotated checklist of the corals in the Mascarene Archipelago, Indian Ocean. <em>Atoll Research Bulletin.</em> 203: 1-26. van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
contributor
Edward Vanden Berghe [email]