Georgia Arrow and I dove an area east of Union on South Hood Canal on 4/25/06 that was covered with Ciona savignyi from about 40 feet down to 80 feet. We didn't go deeper, but we could see the tunicates continued on down somewhat from there, although less in abundance than at the 50-70 foot level. Our GPS coordinates were: N47 21.021 W123 03.321