This provided photo shows monogenean worms (Microcotyle sebastis) that were dissected from the gills of a preserved copper rockfish specimen from the University of Washington Fish Collection at the ...

SEATTLE — Parasites crucial in marine ecosystems have seen a sharp decline or were completely wiped out in the past century due to warming waters in Puget Sound, according to a newly released ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock As humans have moved around the globe, countless species have hitched a ride. Unfortunately, this has ...

Katherine Maslenikov carefully plucked a young walleye pollock specimen from a glass jar full of ethyl alcohol. The critter’s eye and insides were missing, some carefully packed in a nearby vial ...

Warming temperatures in one part of the world seem to have driven down the parasite population, suggesting another unexpected way that climate change harms ecosystems. By Rachel Nuwer Most people ...