Life Cycle and Mating•To spawn, salmon migrate up to 4,827 km
• Move from marine to freshwater habitat •When pawning: salmon return to natal streams •Females dig a nest (redd) •Male + female release sperm & eggs •Repeats mating, nesting until all eggs released •Female guards the nest for as long as possible •Adults die after spawning (semelparity) •Determinate fecundity |