Sampling sites and symbiotic model organisms.

<p>(a) Shallow subtidal at one of the study sites, FLKReef3, Long Key Reef track, Florida Keys, Florida, USA. (b) Solitary individual of the Atlantic winged oyster <i>Pteria colymbus</i> attached to a host colony of <i>Pseudopterogorgia</i> sp. (c) A male of <i>Pontonia manningi</i> (scale bar = 1.6 mm). Photo credits: J. Antonio Baeza</p>