Mass of juvenile Striped Catfish form a large school appearing to move as one to ward off predators

striped catfish plotosus lineatus juvenile schooling fish venomous great barrier reef gbr camouflage marine science reef underwater nature scuba diving behaviour predator survey environmental coastal salt water tropical australia habitat ecosystems water ocean unique fish scuba diver snorkeling tropical destination zoo marine park animal encounter pacific wildlife water activity ecosystem creature animal behaviour aquarium collector fish keeper 4k resolution sea creature research documentary behavior