Cockatoo Flounder (Samaris cristata) flicks out its long filament dorsal rays, when disturbed or alarmed. Lembeh Strait, Sulawesi, Indonesia

nobody sealife sea life underwater lembeh strait sulawesi indonesia cockatoo flounder samaris cristata filament dorsal rays one animal flatfish flat fish flat fish flounders camouflage camouflaged marking markings seabed sea bed behaviour