Mesoplodon bidens is bluish grey to slate grey in color, with a lighter underside, grey and white spots may be present on the body with limited scaring. Mesoplodon bidens have a long slender beak that contains a pair of teeth midway up the lower jaw. They have a long think body, long flippers for the Mesoplodon family, and no notch in the fluke. The dorsal fin is quite small with a rounded tip and may appear falcate. Young M. bidens have a light blusih grey to white underside, more prominant than in adults.
Range mass: 1000 to 1300 kg.
Range length: 5 to 5.5 m.
Sexual Dimorphism: male larger
- 2006. "Whale and Dolphin Conservation Society" (On-line). Accessed October 22, 2006 at http://www.wdcs.org/dan/publishing.nsf/allweb/BBA6AFE5C70302F7802569CF00406D58.