Goniopora columna

Goniopora columna is a species of colonial stony coral in the family Poritidae.[2]

Goniopora columna
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoa
Order: Scleractinia
Family: Poritidae
Genus: Goniopora
Species:
G. columna
Binomial name
Goniopora columna
Dana, 1846
Synonyms
  • Goniopora undalata Nemenzo, 1955

Distribution

This species is native to the western and eastern Indian Ocean and the western Pacific Ocean, including the Red Sea, the Gulf of Aden, the Persian Gulf, Australia, South-east Asia, Japan and East China Sea.

It can be found in Australia, Bahrain, Cambodia, China, Comoros, Djibouti, Egypt, Eritrea, Fiji, Guam, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kuwait, Madagascar, Malaysia, Maldives, Marshall Islands, Mauritius, Micronesia, Mozambique. Myanmar, New Caledonia, Mariana Islands, Oman, Pakistan, Palau, Papua New Guinea, Philippines, Qatar, Réunion, Saudi Arabia, Seychelles, Singapore, Solomon Islands, Somalia, Sri Lanka, Sudan, Taiwan, Thailand, United Arab Emirates, Viet Nam and Yemen.[1]

Habitat

This reef-associated species occurs in tropical shallow waters and in sheltered, sandy or lagoon environments, at depths of 2 to 15 m. It may also occur in turbid waters. The International Union for Conservation of Nature has assessed its conservation status as being "Near Threatened". These corals appear moderately susceptible to bleaching, especially in turbid waters, which can help to protect them.[1]

Description
Colonies of Goniopora columna in Thailandia

This species develops hemispherical or irregular columnar mound shaped colonies with a neat appearance and dead basal parts. The color of the polips may be yellow, brown or green, usually with different color in the oral discs.

The diameter of the small and rounded calices ranges from about 3–5 mm (0.12–0.20 in), with a uniform bundle of tentacles. The columellae are rather large and long. The living polyps can reach a length up to 10 cm (3.9 in).[3][4][5]

This species is quite similar to Goniopora stokesi and Goniopora lobata. It differs from the other two especially for the columnar shape of the colonies and for the large light-colored oral disc.

Biology

Like most corals, Goniopora columna reproduce asexually. They usually feed on plankton. Mature gametes are spawned through the mouth. The zygote develops into a planktonic planula larva.[6][7]

References
  1. Sheppard, A., Fenner, D., Edwards, A., Abrar, M. & Ochavillo, D. 2014. Goniopora columna The IUCN Red List of Threatened Species 2014
  2. Biolib
  3. WoRMS World Register of Marine Species
  4. Veron, J. E. N. (1986). Corals of Australia and the Indo-Pacific. Angus & Robertson Publishers
  5. Dana, J.D. (1846-1849). Zoophytes. United States Exploring Expedition during the years 1838-1842. Lea and Blanchard, Philadelphia. 7: 1-740
  6. Sea Life Base
  7. Nemenzo, F. Sr. 1986 Guide to Philippine Flora and Fauna. Corals. Natural Resources Management Center, Ministry of Natural Resources and University of the Philippines. 5:273 pp.
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