NOAA lists 20 coral species as threatened under the endangered species act.

[DAVE]

Originally Posted by KPG007

A good article on Reef Builders: Here

Also, I believe, this is a US ruling and does not apply to Canada. That said, as most of our corals come through the US....

This is not true. It will apply to Canada, and I would say 80% of the corals in Canada are not from the US.