North San Francisco Bay Herring Spawn Report

California Department of Fish and Wildlife staff detected two new spawning events this week in the North Bay.

A spawn started earlier this week inside Richardson Bay in the main anchorage area. Herring schools were visible on the high tide yesterday in the main entrance channel. Herring spawning activity was also noted at Point Richmond Thursday afternoon outside the rock jetty extending to Brooks Island. Both locations had significant bird and marine mammal activity. Staff will continue to monitor and sample these areas until the end of spawning activity.


post by Tom Greiner, CDFW Environmental Scientist