Massive 24-Armed Sea Stars Could Bring Back Kelp Forests

Credit: Aaron Galloway, University of Oregon

Co-author Sarah Gravem, a research associate at Oregon State University, holds a baby Pycnopodia

Credit: Aaron Galloway, University of Oregon

Large Pycnopodia on kelp in the Puget Sound

Credit: Aaron Galloway, University of Oregon

Pycnopodia approaching a pinto abalone

Credit: Aaron Galloway, University of Oregon

Credit: Aaron Galloway, University of Oregon

Pycnopodia in South Puget Sound

Credit: Jan Kocian

Credit: Jan Kocian

Credit: Jan Kocian

Credit: Jan Kocian

Credit: Janna Nichols

Big sunflower sea star climbing kelp in Olympic Coast National Marine Sanctuary

Credit: Janna Nichols

Olympic Coast National Marine Sanctuary

Credit: Aaron Galloway, Julia Kobelt

Credit: Markus Thompson

Pycnopodia, Haida Gwaii, an archipelago off the northern Pacific coast of Canada

Credit: Sarah Gravem, Oregon State University

Credit: Scott Groth

Aaron Galloway diving at Tichenor Rock in Curry County, Oregon

Credit:

Aaron Galloway, University of Oregon, Oregon Institute of Marine Biology

Credit:

Sarah Gravem, Oregon State University, Department of Integrative Biology