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Meandrina meandrites ( englanti )

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Meandrina meandrites, commonly known as maze coral, is a species of colonial stony coral in the family Meandrinidae. It is found primarily on outer coral reef slopes in the Caribbean Sea and the Gulf of Mexico.

Description

Meandrina meandrites forms massive hemispherical heads or develops into substantial flat plates and can grow to nearly 1 metre (3 ft 3 in) in diameter. Some small colonies are cone-shaped and are not attached to the substrate. These resemble young colonies of rose coral (Manicina areolata) and may be found in sandy or muddy areas some way from reefs. The corallites, the calcareous cups secreted by the polyps, are 1 to 2 cm (0.4 to 0.8 in) wide. The raised walls between the corallites are formed from fine but widely separated transverse ridges called septa and meander over the surface of the coral. There is a slight indentation running along the crest of the walls where the septa from adjoining corallites meet. The polyps are large but are only protruded at night when they cover and obscure the skeleton of the coral.[3][4]

Distribution and habitat

Meandrina meandrites is found in Bermuda, Florida, the Caribbean Sea, the Gulf of Mexico and the Bahamas. It mainly occurs on the seaward sides of reefs but does also occur on back slopes. Its favoured depth range is 8 to 30 metres (26 to 98 ft) but it occurs at any depth less than 80 metres (260 ft). It tolerates locations with high levels of sedimentation and turbidity. It is generally the coral most frequently seen in the deeper parts of its range.[1][4]

Status

The IUCN Red List of Threatened Species lists Meandrina meandrites as being of "Least Concern". This is because, although it is effected by coral bleaching, it is more resistant than some other species and usually recovers. It is also subject to coral diseases such as white plague and black band disease. Another factor that helps to maintain populations is the high level of recruitment of juvenile corals [1] which is in contrast to the recruitment failures of the pineapple coral (Dichocoenia stokesi).[5] The chief threats it faces, as do other reef corals, are raised sea temperatures, ocean acidification and reef destruction. It is present in a number of marine parks which gives it some level of protection.[1]

References

  1. ^ a b c d Crabbe, J.; Kennedy, E.; Banaszak, A.; Vermeij, M.; Alvarez-Filip, L. (2022). "Meandrina meandrites". IUCN Red List of Threatened Species. 2022: e.T133224A165781180. Retrieved 31 December 2022.
  2. ^ a b van der Land, Jacob (2012). "Meandrina meandrites (Linnaeus, 1758)". WoRMS. World Register of Marine Species. Retrieved 2012-11-15.
  3. ^ "Maze coral (Meandrina meandrites)". Interactive Guide to Caribbean Diving. Marine Species Identification Portal. Retrieved 2012-11-15.
  4. ^ a b Colin, Patrick L. (1978). Marine Invertebrates and Plants of the Living Reef. T.F.H. Publications. p. 263–266. ISBN 0-86622-875-6.
  5. ^ Richardson, Laurie L.; Voss, Joshua D. (2005). "Changes in a coral population on reefs of the northern Florida Keys following a coral disease epizootic" (PDF). Marine Ecology Progress Series. 297: 147–156. doi:10.3354/meps297147.
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Meandrina meandrites: Brief Summary ( englanti )

tarjonnut wikipedia EN

Meandrina meandrites, commonly known as maze coral, is a species of colonial stony coral in the family Meandrinidae. It is found primarily on outer coral reef slopes in the Caribbean Sea and the Gulf of Mexico.

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Meandrina meandrites ( kastilia )

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Meandrina meandrites es una especie de coral, de la familia Meandrinidae, orden Scleractinia.

Es un coral hermatípico, por lo que contribuye a la construcción de arrecifes.

Morfología

Las colonias son submasivas y meandroides, pueden ser planas, formando placas gruesas, hemisféricas y, ocasionalmente columnares, pero raramente con simetría bilateral. Los valles son radiales desde el punto original de crecimiento, y divididos en intervalos regulares, manteniendo un ancho continuo.[3]​ Los septos de los valles adyacentes suelen disponerse en zig-zag, son exsertos y arqueados. Los márgenes septales verticales tienen granulación lateral. Los elementos radiales pueden ser iguales o desiguales.

Hay colonias con forma de vida libre, o sea, no adheridas al sustrato; con el esqueleto en forma cónica y pocos valles. Estas características corresponden con la especie Meandrina braziliensis, cuya diferenciación de la especie Meandrina meandrites es dudosa para más de un experto.[4]

El color del tejido del pólipo puede ser gris, marrón claro o amarillento.

Hábitat y distribución

Su distribución geográfica comprende el Atlántico occidental tropical, desde el sur de Florida, golfo de México, el Caribe y Brasil. Es común en su rango e incluso moderadamente abundante.

Habita en casi todos los entornos del arrecife. Encontrándose desde aguas someras hasta los 80 m de profundidad, aunque es más común entre los 8 y los 30 m.[5]

Alimentación

Los pólipos contienen algas simbióticas llamadas zooxantelas. Las algas realizan la fotosíntesis produciendo oxígeno y azúcares, que son aprovechados por los pólipos, y se alimentan de los catabolitos del coral, especialmente fósforo y nitrógeno.[6]​ Esto les proporciona del 70 al 95% de sus necesidades alimenticias. El resto lo obtienen atrapando plancton y materia orgánica disuelta en el agua.

Reproducción

Las colonias producen esperma o huevos, que se fertilizan en el agua. Las larvas deambulan por la columna de agua hasta que se posan y fijan en el lecho marino. Una vez allí, se convierten en pólipos y comienzan a secretar carbonato cálcico para construir su esqueleto, o coralito. Posteriormente, se reproducen asexualmente por gemación, dando origen a la colonia.

Referencias

  1. Aronson, R., Bruckner, A., Moore, J., Precht, B. & E. Weil (2008). «Meandrina meandrites». Lista Roja de especies amenazadas de la UICN 2012.2 (en inglés). ISSN 2307-8235. Consultado el 17 de marzo de 2013.
  2. WoRMS (2013). Meandrina meandrites (Linnaeus, 1758). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=289232. Consultado el 30-08-2013
  3. http://coral.aims.gov.au/speciesPages/species_metadata/0587/view#
  4. http://coral.aims.gov.au/speciesPages/species_metadata/0586/view#.Veron (2000).
  5. http://www.iucnredlist.org/details/133224/0
  6. Debelius, Heimut y Baensch, Hans A. Atlas Marino. Mergus. 1998.

Bibliografía

  • Sprung,Julian y Delbeek, J.Charles (1997). The Reef Aquarium (en inglés). Ricordea Publishing.
  • Erhardt, Harry y Moosleitner, Horst. (1998-2005) (en inglés) Marine Atlas. Vol. 2. Mergus.
  • Debelius, Helmut y Baensch, Hans A. (1998-2006.). Atlas Marino. Mergus.
  • Borneman, Eric H. (2001-2009). Aquarium corals: selection, husbandry and natural history (en inglés). Microcosm. T.F.H.
  • Gosliner, Behrens & Williams. (1996) (en inglés) Coral Reef Animals of the Indo-Pacific. Sea Challengers Publishers.
  • Veron, J.E.N. (1986) (en inglés) Corals of Australia and the Indo-Pacific. Australian Institute of Marine Science.

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Meandrina meandrites: Brief Summary ( kastilia )

tarjonnut wikipedia ES

Meandrina meandrites es una especie de coral, de la familia Meandrinidae, orden Scleractinia.

Es un coral hermatípico, por lo que contribuye a la construcción de arrecifes.

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Meandrina pectinata ( ranska )

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Meandrina pectinata est une espèce de coraux de la famille des Meandrinidae.

Taxonomie

Pour le WoRMS, ce taxon est invalide et synonyme de Meandrina meandrites (Linnaeus, 1758)[1].

Notes et références

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Meandrina pectinata: Brief Summary ( ranska )

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Meandrina pectinata est une espèce de coraux de la famille des Meandrinidae.

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Meandrina meandrites ( flaami )

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Meandrina meandrites of doolhofkoraal[1] is een koraalsoort, die voornamelijk voorkomt in de Caribische Zee nabij Bonaire.[1] Men kan de soort ook aantreffen in de Golf van Mexico.

Mendrina meandirtis leeft op ongeveer 80 meter diepte in de zee. Kolonies van dit koraal kunnen een diameter bereiken van 1 meter.[2]

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Meandrina meandrites ( vietnam )

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Meandrina meandrites là một loài san hô trong họ Meandrinidae. Loài này được Linnaeus mô tả khoa học năm 1758.

Chú thích

  1. ^ Aronson, R.; Bruckner, A.; Moore, J.; Precht, B.; Weil, E. (2008). Meandrina meandrites. IUCN Red List of Threatened Species. Version 2012.2. Truy cập ngày 15 tháng 11 năm 2012.
  2. ^ a ă van der Land, Jacob (2012). Meandrina meandrites (Linnaeus, 1758)”. Cơ sở dữ liệu sinh vật biển. Truy cập ngày 15 tháng 11 năm 2012.

Tham khảo


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Meandrina meandrites: Brief Summary ( vietnam )

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Meandrina meandrites là một loài san hô trong họ Meandrinidae. Loài này được Linnaeus mô tả khoa học năm 1758.

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Biology ( englanti )

tarjonnut World Register of Marine Species
zooxanthellate

Viite

van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).

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