Weight: 40 pounds (18 kg), but can be up to 120 pounds (55 kg) Length: considered mature at about 3 feet (1 m) Appearance: at sea, they are blue-green back with silver flanks Lifespan: they spend 3 months-2 years in freshwater and about 2-4 years at sea Diet: insects, amphipods, and other crustaceans while young,… Read More