geometric moray eel siderea grisea or peppered moray, gymnothorax griseus in the marine aquarium

diverse bright world marine tropical aquarium sea fish coral ocean reef underwater water eel moray aquatic nature animal wildlife blue colorful environment ecosystem muraenidae color mouth geometric white siderea grisea peppered decorative pot gymnothorax griseus eye organ jaws snout scary creature frightening carnivorous head natural seawater predator