A threat to coral reefs multiplied? Four species of crown of thorns starfish

Crown of thorns starfish (COTS – Acanthaster planci) are notorious throughout the Indo-Pacific region. COTS are voracious coralivores, and in outbreak proportions can eat vast areas of reef by exuding their stomachs and digesting coral polyps (read more). Having been diving in oceans around the world over the past few decades, i’ve often pondered the … Continue reading A threat to coral reefs multiplied? Four species of crown of thorns starfish