Members of the vertebrate group including anglerfish are unique in possessing a characteristic known as sexual parasitism, in which males temporarily attach or permanently fuse with females to mate.

Nematodes (roundworms) are distributed worldwide in almost all habitats. The Mermithidae, a family of nematodes larger than others, are obligate invertebrate parasites which occur in insects, ...

Distinguished by its unusual morphology and a reproductive system based on something called "sexual parasitism," the anglerfish represents a study in how life adapts to severe environmental ...

Scroungers and parasites seem to show up in nature wherever life produces something useful, and that includes parental care. Among birds, for example, the practice of laying eggs in other birds’ nests ...

The blood fluke may be the ultimate parasite. This ingenious flatworm comes of age inside a tiny snail host before entering its real host—humans—directly through the skin and burrowing into the ...

In predation, one organism kills and consumes another. Predation provides energy to prolong the life and promote 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 ...

Using the model Orobanchaceae parasitic plant Phtheirospermum japonicum, scientists have discerned the molecular mechanisms underlying plant parasitism and cross-species grafting, pinpointing one ...

Social parasitism in Hymenoptera encompasses a spectrum of strategies by which one insect exploits the social structure and brood‐care systems of another. In ants, bees and wasps, parasitic species ...