2004
DOI: 10.1007/s10750-004-2650-z
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The dynamics of multiple mouth formation in Fungia granulosa: possible patterning mechanisms

Abstract: We studied patterning mechanisms acting on the formation of new mouths during regeneration of wedgeshaped fragments of the solitary coral Fungia granulosa. Mouth formation dynamics was studied in fragments taken from different parts of the adult polyp. The corals were fragmented into central and peripheral fragments in relation to each polyp's centrally positioned mouth. The study revealed that the maintenance of the original body plan and growth axis during the process of regeneration, appears to depend on th… Show more

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“…In free-living polystomatous corals, fragmentation in combination with regeneration and mobility facilitates continuous growth and may result in large surface areas of reef bottom to become covered by one or only a few species (Pichon, 1974;Littler et al, 1997;Hoeksema and Gittenberger, 2010), whereas monostomatous species clearly show determinate growth (Chadwick-Furman et al, 2000;Goffredo and Chadwick-Furman, 2003;Gilmour, 2004a;Knittweis et al, 2009). From an evolutionary perspective, polystomatism is probably not much constrained, since even in monostomatous mushroom coral species the production of secondary mouths can be induced artificially (Boschma, 1923;Jacoby et al, 2004), and as such it appears to be a plastic character in some fungiid species (Hoeksema, 1989).…”
Section: Ecomorphological Consequencesmentioning
confidence: 99%
“…In free-living polystomatous corals, fragmentation in combination with regeneration and mobility facilitates continuous growth and may result in large surface areas of reef bottom to become covered by one or only a few species (Pichon, 1974;Littler et al, 1997;Hoeksema and Gittenberger, 2010), whereas monostomatous species clearly show determinate growth (Chadwick-Furman et al, 2000;Goffredo and Chadwick-Furman, 2003;Gilmour, 2004a;Knittweis et al, 2009). From an evolutionary perspective, polystomatism is probably not much constrained, since even in monostomatous mushroom coral species the production of secondary mouths can be induced artificially (Boschma, 1923;Jacoby et al, 2004), and as such it appears to be a plastic character in some fungiid species (Hoeksema, 1989).…”
Section: Ecomorphological Consequencesmentioning
confidence: 99%