osteoglossum bicirrhosum in aquarium close-up side view

tropical water animal fish osteoglossum bicirrhosum wildlife nature freshwater fauna color underwater natural silver arowana aquatic aquarium amazon silverygreen south tropic rupununi profile actinopterygii whiskerlike barb background beauty closeup colorful green plant wild yellow zoo pointed head beautiful osteoglossinae aquaculture america brazil brazilian life oyapock exotic elongated body fishes plants