I think we're talking about different things. I didn't mean that the red grapes were calupera, but rather the leafy stuff on the left in the first image. First Image, green leafy on far left - Calupera Taxifolia? First Image, green leafy in foreground on right - Caulerpa Prolifera First Image, dark red in background - Botryocladia Sp. Second Image, red branching in foreground - ?