Image JN_SGB_IRL001. Tunicate colonies of Didemnum vexillum overgrowing and hanging from oyster bags on trestle installations above the seabed. South Galway Bay at Parknahallagh, County Galway, Ireland (53 deg 10.80 min N, 08 deg 57.10 min W). Water depth, low intertidal. Sep 28, 2007. Identified by J. Nunn. Photo credit: J. Nunn. Map Location no. 90 Click here to download image.