The Diadem Sea Urchin is Koh Phangan’s most common echinoid. It also has the longest spines; another excellent reason to complete one of our PADI speciality diving courses in buoyancy control!
The Diadem Sea Urchin is Koh Phangan’s most common echinoid. It also has the longest spines; another excellent reason to complete one of our PADI speciality diving courses in buoyancy control!