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.
photo M Noonan. Taxonomy/Description The Sea Otter's scientific name is Enhydra lutris, which means otter that lives in the water. This species is aptly named because sea otters rarely come on land. This animal is the largest otter species by weight.Adults range in weight from 50-100lbs and grow to 4-5ft from head to tail tip.axonomy/Description The Sea Otter's scientific name is Enhydra lutris, which means otter that lives in the water.