Closeup Of Red-bellied Piranha In An Aquarium

closeup redbellied piranha aquarium fish pygocentrus nattereri species eyes fin diet one fish swimming animal marine life red piranha blue sea behavior omnivorous old nature national geographic natural background red bellied piranha underwater spring scavenger skin forager habitat water serrasalmidae freshwater habitat coastal river environment scenic summer detail freshwater scales undersea neotropical predator fresh water coastal water creature