A bill to amend the Endangered Species Act of 1973 to make it more consistent with the Marine Mammal Protection Act of 1972.

States that actions prohibited under the Endangered Species Act shall not apply to fish or wildlife held in captivity if not held for purposes contrary to such Act. Provides that such exception shall not apply to any fish or wildlife held in the course of commercial activity except with respect to parts and products of fish or wildlife actually taken prior to the effective date of such Act.