Fig. 1. Photomicrograph of an epizoic acoelomorph flatworm (Waminoa sp Fig. 1. Photomicrograph of an epizoic acoelomorph flatworm (Waminoa sp.) isolated from Galaxea fascicularis.Note the abundant symbiotic dinoflagellates in the worm's parenchyma. Photomicrograph of an epizoic acoelomorph flatworm (Waminoa sp.) isolated from Galaxea fascicularis.Note the abundant symbiotic dinoflagellates in the worm's parenchyma. Scale bar: 100 µm. Tim Wijgerde et al. Biology Open 2013;2:10-17 © 2012. Published by The Company of Biologists Ltd