Sea Star Wasting Disease

Scientists say they have solved the mystery of what killed more than 5 billion sea stars

BY CHRISTINA LARSON, Associated Press Health and Science Department WASHINGTON (AP) — Scientists say they have at last solved the mystery of what killed more than 5 billion sea stars off the Pacific coast of North America in a decade-long epidemic. Sea stars – often known as starfish – typically have five arms and some species sport up to 24 arms. They range in color from solid orange to … Continue reading Scientists say they have solved the mystery of what killed more than 5 billion sea stars

Three people exploring a rocky shoreline at low tide. The person on the left is an older man wearing a white cap, glasses, a blue shirt, and a navy vest. He is smiling and waving with his right hand while holding a white plastic bag in his left hand. He also has a blue pouch or bag slung across his body. The middle person is wearing a dark hoodie and a green cap, looking down at the ground as they walk. The person on the right is wearing a light gray hoodie, tan cap, and brown boots, holding what looks like black gloves or seaweed in their right hand. The ground is covered in wet rocks, patches of green seaweed, and shallow pools of water, with larger rocks and the ocean in the background. The overall scene appears overcast and cool.

What’s in the Tidepools? – Summer 2025 Edition

(Black Sea Hare – NPS Photo/R. Streeper) This is a summer edition of What’s In the Tidepools. On June 28, TPERP volunteers and staff attended our annual tidepool cleanup. We were able to remove 490 pounds of trash from the tidepools. Along with removing the trash, the highlight of the early morning was discovering a two-spot octopus in a shallow tidepool. Along with the photos … Continue reading What’s in the Tidepools? – Summer 2025 Edition

A multi-branched cactus growing in a dry, grassy landscape. The cactus has long, upright arms covered in spines, with some arms bearing clusters of round, yellowish buds or fruit. The ground around the cactus is a mix of sparse grass and bare soil, and the background is filled with more dry vegetation. The overall scene suggests an arid or semi-arid environment.

Cacti at Cabrillo National Monument

Science Technician Patricia has created a guide describing all the cacti at Cabrillo. This guide will help volunteers identify the different types of cacti for visitors as they move around the park. Patricia says that all the different types of cacti can be found along the Oceanside Trail. You can find the new cacti guide as part of the ebinder in the Terrestrial Plants section. … Continue reading Cacti at Cabrillo National Monument