A Century Later: Scientists Study the Impact of Crayfish Introduction at Crater Lake National Park (U.S. National Park Service)

Troubled Waters · National Parks Conservation Association

PDF) Crater Lake National Park: Natural Resource Condition Assessment

Abundance of crayfish caught in traps (number/night) and observed in

2022 National Park Service Our World – Underwater Scholarship Society™

Crayfish Study Participation – The River Mile

Deterioration of the Littoral–Benthic Ecosystem Following Recent Expansion of Signal Crayfish (Pacifastacus leniusculus) in the World's Clearest Large Lake

Crater Lake National Park

A Century Later: Scientists Study the Impact of Crayfish Introduction at Crater Lake National Park (U.S. National Park Service)

A Volcanic Blue Abyss · National Parks Conservation Association

A Century Later: Scientists Study the Impact of Crayfish Introduction at Crater Lake National Park (U.S. National Park Service)

Boom of invasive crayfish threaten species in Oregon's Crater Lake

PDF) Crayfish occupancy and abundance in lakes of the Pacific Northwest, USA

ESA protection requested for Crater Lake newt, Associated Press

Deterioration of the Littoral–Benthic Ecosystem Following Recent Expansion of Signal Crayfish (Pacifastacus leniusculus) in the World's Clearest Large Lake