Corals
The architects of the underwater world — hard corals build the reef, soft corals sway in the current. Take your time and look closely: the polyps feeding at night or in current are one of diving's quiet spectacles.
Last updated April 2026
DendrophylliaDendrophyllia ramea5 photos
A branching tree coral with golden-yellow to orange polyps on thick, woody branches. Found in deeper, dimly lit waters of the Mediterranean and eastern Atlantic.
Grows in deeper waters on rocky walls and overhangs — a slow-growing species increasingly rare due to trawling damage.
© Jouni Kuisma
© Jouni Kuisma
© Jouni Kuisma
© Jouni Kuisma
© Jouni Kuisma
Macaronesian black coralAntipathella wollastoni2 photos
Bushy black coral of Macaronesian reefs with feathery branches and pale living tissue over a dark skeleton.
© Jouni Kuisma
© Jouni Kuisma
Observed at
Every dive has a story. Share yours.
Log your dives - notes, photos, conditions and the marine life you saw - and share them as one public diver profile. What you share helps the next diver, too.
Log every detail
Depth, duration, conditions, gear, buddy, notes — all in one place. Import from Suunto and other dive computers.
Track marine life
Record species sightings on each dive. Build a personal catalogue of everything you've seen underwater.
Your public dive profile
Share your dive history, stats, and experiences with a profile page you control. Show the world where you've been.