Trilobites: Silver Fish Surf the Waves to Spawn on California Beaches It is peak season for grunion runs, when the fish race onto shore to mate and leave eggs that will develop under inches of sand. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Russian military build impenetrable CLOSED internet - and mocks US technologyROBOT JUDGE: AI could be used in trials after accurately predicting guilty verdictsCMV Is a Greater Threat to Infants Than Zika, but Far Less Often DiscussedQ&A: Spray-On Tanning, ConsideredLIFE ON MARS? Elon Musk outlines SpaceX’s plans to get humans to Red PlanetTaking Down Dams and Letting the Fish Flow