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 ...
In the late 19th century, when scientists first discovered the single-celled creature called Nephromyces, they thought it was a parasitic fungus. They were wrong ...
Members of the vertebrate group including anglerfishes are unique in possessing a characteristic known as sexual parasitism, in which males temporarily attach or permanently fuse with females to mate.