What Is Echocardiography? Echocardiography (EK-o-kar-de-OG-rah-fee), or echo, is a painless test that uses sound waves to create moving pictures of your heart. The pictures show the size and shape of your heart. They also show how well your heart's chambers and valves are working.
Taxonomy/Description. The Giant Otter's scientific name is Pteronura brasiliensis, which means winged tail belonging to Brazil, although this otter species is not limited to Brazil. Winged refers to the fin-like shape of the giant otter's tail. The giant otter is a member of the weasel family, Mustelidae, in the Mammalian Order of Carnivora.
The Speckle-throated otter, spot-necked otter, spotted-necked otter is listed as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category, on the IUCN Red List of Threatened Species.acts about the spotted-necked otter. The spot-necked otter (Lutra maculicollis) is also known from the wetlands of this ecoregion, as is the banded mongoose (Mungos mungo), white tailed mongoose (Ichneuma albicauda) and the bushy tailed mongoose (Bdeogale crassicauda). (Full text).