Peculiar Morphology of <i>Montipora millepora</i> Reveals Interspecific Competition for Space Among Two Other Major Foundation Species in Jeju Waters, South Korea

An atypical surface shape was observed in encrusting coral colonies of <i>Montipora millepora</i>. Initial assumptions on their origin focused on the presence of epibiotic intermediate habitat formers, such as coral-dwelling and -boring organisms. However, further investigations revealed...

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Bibliographic Details
Main Authors: Anna B. Jöst, Garance Perrois, Leonard Pons, Sun Kyeong Choi, Seonggil Go, Taihun Kim
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Diversity
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Online Access:https://www.mdpi.com/1424-2818/17/6/398
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Summary:An atypical surface shape was observed in encrusting coral colonies of <i>Montipora millepora</i>. Initial assumptions on their origin focused on the presence of epibiotic intermediate habitat formers, such as coral-dwelling and -boring organisms. However, further investigations revealed their origin to also be substrate shape-related, prompted by overgrowing other foundation species. The unusual bumps stemmed from encrusting over specimens of the coral <i>Alveopora japonica</i>, and the forked, tube-like structures over holdfasts of the brown alga <i>Ecklonia cava</i>. Spatial distribution patterns and interspecific competition are briefly reviewed. Potential effects of morphological changes for <i>Montipora</i> species identification, as well as implications of altered topography in general, are mentioned.
ISSN:1424-2818