arapaima sudis gigas, also known as the pirarucu. wildlife ani

actinopterygii adventure amazon america american animal aquarium aquatic arapaima arapaimidae armor big black body bonytongue carnivore close endangered essequibo eye face fauna ferocious fish fishes fishing fresh freshwater giant gigas head horizontal life natural nature one osteoglossiformes paiche pirarucu portrait river south sudis swim underwater water wild wildlife zoo