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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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Extreme morphological plasticity enables a free mode of life in Favia gravid at Ascension Island (South Atlantic) Hoeksema, B.W. (2012). Extreme morphological plasticity enables a free mode of life in Favia gravid at Ascension Island (South Atlantic). Mar. Biodiv. 42(2): 289-295. http://dx.doi.org/10.1007/s12526-011-0106-z In: Marine Biodiversity. Springer: Heidelberg; Berlin. ISSN 1867-1616; e-ISSN 1867-1624, meer

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Beschikbaar in	Auteur
VLIZ: Open access 239065 [ download pdf ]

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Trefwoorden

Fragmentation Isolation Reproduction > Asexual reproduction Reproduction > Asexual reproduction > Budding Rock pools Favia gravida Verrill, 1868 [WoRMS] Marien/Kust

Author keywords

Epitheca; Free-living

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Auteur		Top
Hoeksema, B.W., meer

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Abstract

Samples of free-living corals of Favia gravida (Scleractinia: Faviidae) have been studied. They were collected from an intertidal rock pool on Ascension Island, southern Atlantic Ocean. They consist of phaceloid clusters of corallites that appear to be able to easily break apart from each other by the formation of slits inbetween them, which indicates the occurrence of asexual reproduction by fragmentation. The bas of the fragments is usually tapering or conical and covered by an epitheca. Small corallites on the base of some specimens suggest that the corals also reproduce by budding. By not depending on a solid substratum for reproduction, the corals appear to be utterly adapted to a free mode of life. These traits have not been reported before from Favia, which normally consists of massive corals. The variable shape of the corals at hand indicate that they have adopted a plastic free-living growth form that appears to be confined to a rock pool habitat.

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