Clown anemonefish have territorial tendencies. Unlike the freewheeling, fun-loving protagonist of Finding Nemo, real life clown anemonefish are extremely hostile – even toward human divers. "I have ...

There are plenty of fish in the sea, but how can you count stock levels or protect endangered fish without seeing or catching them? Subscribe to our newsletter for the latest sci-tech news updates.

Spring is just a few weeks away, and for the Barnstable Clean Water Coalition that means one thing in particular: It's time to count fish. Not just any fish. River herring. The organization is putting ...