Salmon inevitably die after spawning.
Male chum salmon develop a hooked-jaw during the spawning season.
When spawning, salmon are capable of vertical leaps of more than six feet.
The utility is required to manage its dams to protect spawning fish.
Wnuk said the sunfish species spawn in May and death from spawning stress is common.
At least the grizzlies, which feast on spawning salmon here each fall, are napping this time of year.
Adult cod form spawning aggregations from late winter to spring.