Physical Characteristics Head and body length ranges from 3 to 7m, pectoral fin length measures 20 to 70cm, dorsal fin height measures 15 to 20cm, and tail fluke width is approximately 100cm.
Color varies from silver-gray to brown above and light gray to white below.
The body is marked with scars and sctratches. Young are lighter in color. Two large teeth protrude from the middle of the mandible. These teeth point upward above the head of the whale, and they are often sheathed with a layer of barnacles. The other teeth are poorly developed and non-functional.