Atlantic Salmon: Lost at Sea (2018)

An epic journey through the oceanic kingdom of the Atlantic Salmon in an attempt to unravel the mystery of their life at sea. Salmon are plummeting to critical levels. The cause is mortality at sea. For the 1st time, using the latest DNA technology, scientists are tracking the salmon from the rivers into the vast North Atlantic and back again, in hopes of finding an answer before it's too late.

Unfortunately the movie Atlantic Salmon: Lost at Sea is not yet available on HBO Max.