Crown of thorns, also commonly known by its scientific name Euphorbia milii, is a pretty but thorny succulent tropical shrub.

While Crown of Thorns is slow-growing, reaching about two feet in height when kept indoors, its spiky green leaves still pack a visual punch. This succulent is also quite simple to care for ...

Now we have a simple food chain ... Giant triton (snail) -> Crown-of-thorns starfish -> Hard coral One of the few predators of the crown-of-thorns starfish, the giant triton (Charonia tritonis ...

Crown-of-thorns starfish populations are again flourishing along the Great Barrier Reef. Symon Dworjanyn is a professor of marine ecology at Southern Cross university. "Crown-of-thorns starfish ...