We are a group of scientists, community members, environmental organizations, surfers, and beach workers dedicated to a better understanding of the habits and habitats of beach-spawning grunion, Leuresthes tenuis...

Grunion Season 2022

Watch Melissa's video to learn how best to observe the runs


These Fish Are All About Sex on the Beach. (Official Selection at the 2018 International Ocean Film Festival in San Francisco)


Hero of the Week

Los Angeles' KNX Newsradio named Dr. Karen Martin as their Hero of the Week. Give a listen!


We have completed a short documentary, "Surf, Sand, and Silversides: the California Grunion."

Total running time of the documentary is 25 minutes. It has been the official selection for several film festivals, including the San Francisco Ocean Film Festival, the Newport Beach Film Festival, Huntington Beach SoCal Film Festival, and the Toronto Beaches Film Festival. Awards include sound editing, International Wildlife Film Festival, and award of excellence for script from the Best Shorts Competition, and best short documentary from the Los Angeles City Cinema Festival.

Soundtrack by the Insect Surfers, California's favorite acid surf band.

National Geographic posted a video about the grunion using some of our footage.  See it here.


News and Stories

Grunion run during the Blue Wave phenomenon, May, 2020, photo by Karen L. Martin

Mixed flock of shorebirds eating grunion eggs, April, 2016, photo by Bill Figueroa

More Stories

"Nighttime the Right Time to Watch the Grunion Run"
By Mike Lee, from by the Union-Tribune, April 23, 2009

"Grunion Run Season Opens" by Laylan Connelly, from the Orange County Register

"Grunion Fish Wiggle Ashore to Landlubbers' Delight," By Alysia Gray Painter, from NBC Los Angeles

"Making a Grunion Run for Science," by Louis Sahagun, Los Angeles Times online


In partnership with the NMFS-SWR!

We thank the National Marine Fishery Service-SWR, Habitat Conservation Division for major funding of this citizen-scientist monitoring effort. We thank our continuing partners!