Breathe easy, though—in reality, Cymothoa exigua, the parasitic isopod in question, only targets fish. Commonly known as the tongue-eating louse, it measures only about 0.3-1.1 inches in length ...

Gnathiid Isopods: A family of small crustaceans that are temporary ectoparasites of fish, often resembling tiny ticks. Ectoparasites: Parasites that live on the outside of their host, feeding on ...

A University of Washington researcher has found that infestations of two parasitic worms in fish have increased substantially in recent decades. The marine-parasite researcher, Chelsea Wood ...

Researchers have discovered a rare example of "great fish parenting" with a common ... their chances of survival by eating the parasitic gnathiid isopods. "In the marine environment, the care ...

A purchase at an urban Vietnamese fish market turned out to be a whole new species of giant isopod–with a bit of a dark side. The foot-long crustacean has been named Bathynomus vaderi and sports ...