What’s in the Tidepools? – Summer 2026
(Cabrillo Coastal Area – NPS Photo/Carmen A.) As we prepare to start our tidepool season, here are a few photos from the past few months. You will find some photos of baby gulls that VIP Ben took with his spotting scope. You will see some images that VIP Rick captured (actually his brother), of the Glowing Fireworms at Mission Bay on a tour that VIP … Continue reading What’s in the Tidepools? – Summer 2026
September 2026 – Tides
Watch the Glowing Fireworms
Fireworms are mating! If you are interested in watching small worms mating & glowing like green light sticks now is the season. VIP Mary has selected September 9th for the more intense light show. These fireworms or glowworms, Odontosyllis phosphorea, swim up from the bottom to mate on the surface water for half an hour. When thousands of these worms glow, it makes for a wonderful show! … Continue reading Watch the Glowing Fireworms
August 2026 – Tides
Did You Know – Medical Applications with Sandcastle Worms, Crabs and Seaweeds
Sandcastle worms are fascinating marine critters. If you have visited the tidepools, you may have seen their homes. But you never see the worms during low tides because they are hunkered down inside their home. Look at the images below from iNaturalist to see these remarkable critters. Learn how they and crabs are being used in medical applications. Sandcastle worms, scientifically known as Phragmatopoma californica, … Continue reading Did You Know – Medical Applications with Sandcastle Worms, Crabs and Seaweeds
How researchers are using ground sensors to predict cliff collapse
Perhaps one day soon we can monitor the cliffs at Cabrillo… From kpbs.org – July 10, 2026 Ground sensors can help predict the collapse of cliffs along San Diego’s coast according to research conducted over four years by Scripps Institution of Oceanography scientists. In a study published Thursday, researchers detailed how they used advanced sensors to track and predict coastal cliff erosion at three North County San … Continue reading How researchers are using ground sensors to predict cliff collapse

