Stylophora madagascarensis is a species of stony coral in the family Pocilloporidae. It is native to the tropical western Indian Ocean where it is confined to the coasts of Madagascar, growing in shallow water.
| Stylophora madagascarensis | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hexacorallia |
| Order: | Scleractinia |
| Family: | Pocilloporidae |
| Genus: | Stylophora |
| Species: | S. madagascarensis
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| Binomial name | |
| Stylophora madagascarensis Veron, 2000[2]
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Description
editStylophora madagascarensis is a colonial species of coral forming clumps of slender, compact branches with blunt ends. The branches are up to five millimetres (0.20 in) in diameter. The corallites (stony cups in which the polyps sit) are crowded and circular, with those near the tips of the branches often being hooded. The corallites have six septa (stony plates forming the wall of the corallite) fused to a central, style-like columella. The coenosteum (the coral's stony skeleton) is covered with tiny spines.[3] This is a zooxanthellate species of coral,[2] the tissues of which harbour single-celled dinoflagellates living in symbiosis with the coral and providing it with nourishment.[4] The polyps expand to feed at night and are retracted during the daytime. This coral is pale brown in colour, sometimes with pinkish bases to the branches.[3]
Distribution
editThis coral is endemic to the coasts of Madagascar. It grows in shallow water, both on moderately exposed reefs and in more sheltered lagoons, where it tends to have longer branches.[3]
Status
editThis species is common around the coasts of Madagascar but the International Union for Conservation of Nature has assessed its conservation status as "endangered".[1] This is because the reefs around Madagascar are being degraded at such a rate that it is estimated that 58% of the habitat will be lost within 30 years (estimated to be three generations for corals). The chief threats faced by corals are associated with climate change, ocean acidification, increasing severity of storms and rising seawater temperatures, resulting in coral bleaching and an increased susceptibility of corals to disease. Its small total population size makes this coral more vulnerable to these threats than a more widespread species.[1]
References
edit- ^ a b c Hoeksema, B.; Rogers, A.; Quibilan, M. (2008). "Stylophora madagascarensis". IUCN Red List of Threatened Species. 2008: e.T132943A3503629. doi:10.2305/IUCN.UK.2008.RLTS.T132943A3503629.en. Retrieved 11 November 2021.
- ^ a b Hoeksema, Bert (2018). "Stylophora madagascarensis, Veron, 2000". WoRMS. World Register of Marine Species. Retrieved 29 September 2018.
- ^ a b c "Stylophora madagascarensis Veron 2000". Australian Institute of Marine Science. 2013. Retrieved 30 September 2018.
- ^ Ruppert, Edward E.; Fox, Richard, S.; Barnes, Robert D. (2004). Invertebrate Zoology, 7th edition. Cengage Learning. p. 122. ISBN 978-81-315-0104-7.
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