Enhydra lutris
1. Lateral view
2. Anterior view 
3. Ventral view, showing teeth
4. Details
5. Web Links & Refs
Such an amazing creature ! Found off the coasts of the N Pacific, sea otters are almost entirely aquatic, and feed on molluscs, crustaceans and sea urchins. This diet presumably explains the remarkable adaptation of the molars, but not the shape of the nasal cavity.

1.Sea Otter Skull, lateral view.
1.Sea Otter Skull, anterior view.
1.Sea Otter Skull, ventral view.
(1st premolars missing)

Details of Specimens Illustrated

Image 1
Sea Otter Enhydra lutris
Sex - male
Stage - adult
Source - photo courtesy of private collector
Overall length133mm Zygomatic width99mm

Scientific Name : Enhydra - from the Greek for "living in water", lutris - from the Latin lutra "otter".

Web Links & References
University of Michigan Animal Diversity Web

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