Managers and fisheries are hampered by a lack of information, from overall population numbers to data on how fast fish grow and reproduce. (sciencedaily.com)
Plus, some scientists think that climbing water temperatures make for faster fish. (news.nationalgeographic.com)
A surprising finding was that the biggest, strongest, fastest fish in the study — steelhead were also most likely to become lunch for a predator. (pnnl.gov)