Life … Plants Red Algae Florideophycean Algae Gracilariales Gracilariaceae Sea Spaghettis Gracilariopsis longissima species 8 observations Gracilariopsis longissima Gracilariopsis longissima Supports All 2 native animalssupported in the US Plant eaters Animals that feed on it Aaom Snail, Barleysnails 2 Close