Hematology and blood chemistry studies were undertaken on 41 sea otters during a 3-yr period. The results are compared to corresponding values for other mustelids and diving marine mammals. Results showed the otters apparent adaptation to its marine environment by having values that were similar to those of pinnipeds and cetaceans.

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Author notes


Monterey Bay Aquarium, 886 Cannery Row, Monterey, California 93940, USA.


Syntex Research, 3401 Hillview Avenue, Palo Alto, California 94304, USA.