Blue Hole Batu Rufus

Yellow tail fusiliers, Caesio cuning, swim around a shallow coral reef with a giant barrel sponge, Xestospongia testudinaria, and a variety of leather corals, Raja Ampat, South West Papua, Indonesia, Pacific Ocean

Yellowtail fusiliers, Caesio cuning, swim through the blue hole in the reef with a sea fan in the foreground, Raja Ampat, Southwest Papua, Indonesia, Pacific Ocean

A mixed school of fusiliers including yellowtail, Caesio cuning, and lunar, Caesio lunaris, on a coral reef, Raja Ampat, Southwest Papua, Indonesia, Pacific Ocean

Yellowtail fusiliers, Caesio cuning, schooling on a coral reef, Raja Ampat, Southwest Papua, Indonesia, Pacific Ocean

Soft corals and yellowtail fusiliers, Caesio cuning, Raja Ampat, Southwest Papua, Indonesia, Pacific Ocean

Yellowtail fusiliers, Caesio cuning, swim through the blue hole in the reef with a sea fan in the foreground, Raja Ampat, Southwest Papua, Indonesia, Pacific Ocean