The trouble with minijacks

Early-maturing Chinook salmon males, called jacks, have featured prominently in our updates over the past few years. We've observed jacks attempting to mate with larger adult females Read More…

Hedging your bets…

As we noted in our previous post (Casual Spawning), Chinook jacks are not nearly as successful at spawning and passing on their genes, in comparison with larger, Read More…

Casual spawning

While many people have observed salmon swirling about in West Coast rivers during the spawning season, it's not always apparent what is actually happening beneath the surface. Read More…