Hourglass dolphin

Scientific Name: Lagenorhynchus cruciger
Other Names: Wilson's Dolphin
Length: 5.3-6 ft. (1.6-1.8 m.)
Weight: 200-265 lbs. (90-120 kg.)
Teeth: 100-104

The hourglass dolphin was named for the hourglass patterns on its sides. It lives in arctic regions, therefore, it is difficult to study and little is known about it. It does have a stocky body and a well defined rostrum. When they swim, they tend to have s smooth undulating motion. The hourglass dolphin is currently the only dolphin with a dorsal fin constantly found in the southern hemisphere.