Abstract
Planulae of Aurelia aurita were exposed to 11 types of rocks (basalt, gabbro, granite, rhyolite, sandstone, limestone, conglomerate, gneiss, quartzite, marble and schist) to examine their attachment preference among rock material and position. Numbers of attached polyps was the highest on marble and the least on limestone. Their preference with regard to settling position was the same among the rocks, showing the highest density of polyps on the underside (88.5%) compared to upper (23.6%) and perpendicular sides (10.3%) of rock. The results showed that while position preference is more important than rock property, higher numbers of polyps were observed in rocks with a medium surface hardness.
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Yoon, W.D., Choi, SH., Han, C. et al. Rock preference of planulae of jellyfish Aurelia aurita (Linnaeus 1758) for settlement in the laboratory. Ocean Sci. J. 49, 163–166 (2014). https://doi.org/10.1007/s12601-014-0016-7
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DOI: https://doi.org/10.1007/s12601-014-0016-7