6 April ~ 2020
Clark's Anemonefish, the most common anemonefish I encountered at Bunaken. At some sites I saw hundreds of them. Clark's Anemonefish are unique because they can develop a symbiotic relationship with 10 different species of anemones. Like all anemonefish, they are immune to the anemone's nematocysts, and are offered protection from predators by the anemone. In return, they aerate the anemone and provide ammonia to it. (Bunaken, Indonesia).
more reading on Anemonefish from Current Biology Magazine