Artificial reef
down to 40 m
A-Frames (Finnart)
Argyll Sea Lochs (Loch Fyne & Loch Long), United Kingdom
A-frames from a WWII oil-terminal pier below 20 m, covered in anemones and dead men's fingers, with a crab-filled debris field at 8-12 m.
- Advanced
- Nudibranchs