Saddleback anemonefish (Amphiprion polymnus) barks a warning as it guards a clutch of developing eggs (beneath it) laid on a small stone, below a fold in its home, a Haddon's sea anemone (Stichodactyla haddonis). Dauin, Dauin Marine Protected Area, Dumaguete, Negros, Philippines. Bohol Sea, tropical west Pacific Ocean.