Giant River Otter (Pteronura brasiliensis), swimming underwater, Pantanal, Mato Grosso, Brazil

pteronura brasiliensis giant otter (pteronura brasiliensis) adult alone glance swim portrait front shot underwater shot bubble mato grosso look pteronura endangered (iucn) en pantanal cites appendix 1 september flood plain water surface nobody giant otters (pteronura brasiliensis) adults single lonely only solo one lone glances looking at camera swimming (action) swimming portraits front views front sights front sight front shots front view subaquatic photos subaquatic sights seen under the water photos under the water underwater shots subaquatic image underwater view submarine images submarine sights submarine sight submarine photos submarine photo underwater views submarine photographies submarine photography underwater underwaterphoto underwaterpicture underwaterphotography underwaterphotographies underwaterphotos underwaterpictures bubbles looked looking endangered species flood plains flooded area flooded areas floodplain floodplains water surfaces watersurface watersurfaces with nobody otter mustelidae small carnivore carnivoran mammal therapsid synapsid vertebrate chordate wild animal animal stage of development individual enumeration morphology (zoology) morphology organism locomotion motion shot shape brazil south america america mustelidae carnivora mammalia cynodontia therapsida eupelycosauria synapsida tetrapoda tetrapodomorpha rhipidistia sarcopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota threatened endangered species iucn red list of threatened species species convention on international trade in endangered species of wild freshwater swamp freshwater wetland area area water (matter) matter (substance)