Glass fish in cave (Parapriacanthus guentheri), large school of fish swimming behind red coral sea fan with dark background,Mabul, Borneo, Malaysia, South China Sea

underwater fishes glass fish cave parapriacanthus guentheri large group of animal school schooling shoal swim swimming red coral coral corals coral reef reef sea fan mabul borneo malaysia south china sea close up close up close ups close ups silvery glass fish sweeper sweepers tropical