Seas and oceans harbor countless undiscovered treasures. One of these is the seagrass Thalassia, specifically the species Thalassia testudinum. Long recognized for its ecological importance, this marine plant serves as a vital food source for creatures like sea turtles and plays a key role in protecting vulnerable Caribbean coastal ecosystems. Recently, scientists have discovered that Thalassia contains significant anti-carcinogenic compounds, capturing the attention of researchers and marine science biomedical institutes.