Penn Live

Invasive crayfish species have produced hybrids in midstate river, likely helpful to the invaders

Crossbreeding between 2 non-native, invasive crayfish species has been found in the Juniata River basin of central Pennsylvania, raising concerns that the hybridization could help the invaders gain an ...
KHQ

Spokane Riverkeepers and community collect crayfish for river study

SPOKANE, Wash. — Spokane Riverkeeper teamed up with the community to collect crayfish for a study of the Spokane River on Saturday. The Spokane Riverkeeper partnered with scientists from the ...
Cleveland.com

Colorful crayfish found in Chagrin River has rare mutation

CLEVELAND, Ohio - A Cuyahoga Community College biology class on a field trip to the Chagrin River made a startling discovery: a crayfish with a rare genetic mutation, splitting its body into two ...
The Denver Post

Rusty crayfish, an ‘aquatic nuisance,’ discovered in northern Colorado river

Getting your Trinity Audio player ready... Rusty crayfish, an aquatic nuisance and an invasive species, has been discovered in a Larimer County river south of Estes Park, according to Colorado Parks ...
Fort Collins Coloradoan

Aggressive, non-native crayfish species discovered in Larimer County river

Rusty crayfish, an invasive species, has been discovered in the Little Thompson River in Larimer County, Colorado. This aggressive crayfish, known for its big appetite and rapid reproduction, poses a ...