Fig. S1.
Symbiont recruitment plates (SRPs). SRPs with freshly dissected 0.4 g trophosome of Riftia pachyptila in a microporous specimen capsule equipped with five glass coverslips (5-mm-diameter). Coverslips are held in place with a bar, which is screwed to the plate. The microporous specimen capsule is closed with a microporous lid after being filled with trophosome (Right). Coverslips are highlighted with white arrows.