White U.S. Park Ranger SUV parked at sunset with a large tree and colorful sky in the background.

What’s in the Tidepools? – December 2025

(Kelp Crab – NPS Photo/M. Rose) Here is a sampling of what our volunteers observed during the month — thank you to everyone who contributed. The nudibranchs are out in force. Remember to send in your photos; we truly appreciate sharing them with everyone. We are in King Tides season so capture those photos and enjoy. Don’t forget to visit the Tidepool Videos page and our YouTube … Continue reading What’s in the Tidepools? – December 2025

a translucent elongated blue body with orange spikes on it's back. White tips are at the end of each spike.

What’s in the Tidepools? – November 2025

(Kelp Crab – NPS Photo/D. Orr) Here is a sampling of what our volunteers observed during November — thank you to everyone who contributed. The nudibranchs are out in force. Remember to send in your photos; we truly appreciate sharing them with everyone. We are entering King Tides season so capture those photos and enjoy. Don’t forget to visit the Tidepool Videos page and our YouTube page. … Continue reading What’s in the Tidepools? – November 2025

A bright glowing worm against a black background

Watch the Glowing Fireworms (Encore)

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 and October 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 … Continue reading Watch the Glowing Fireworms (Encore)