underwater shot of a big arapaima gigas or pirarucu fish swimming on the sandy ground of an amazonian river, amazon rainforest,

adventure america arapaima gigas background beautiful big fish blue water brazil clear colorful creek destination eco tourism ecosystem environment freshwater green habitat latin leaves mato grosso natural nature pirarucu plants rainforest river reflections sandy ground snorkeling south spring sunlight rays sustainability tourist attraction travel tropical swimming fishes underwater stream wild wildlife yellow shot amazonian amazon