Park rangers in Chester County, Pennsylvania, found an invasive snakehead fish in the Schuylkill River this week.

Binh’s spiny frog, or Quasipaa binhi, was discovered in the forests of central Vietnam. Known for its robust body and heart-shaped tongue, this frog was found near forest streams. The species was ...

It’s crayfish season in Louisiana, but the Pacific Northwest is receiving all the crayfish spotlight. Researchers recently ...

Researchers have found that chunks of "flipped" DNA can help fish quickly adapt to new habitats and evolve into new species, ...

Reef "beauty salons" staffed by tiny cleaner fish aren t just for parasite removal they may also shape the microbial life of ...

Where do you go when you’re a fish and you need a skincare treatment? Coral reefs contain natural “beauty salons,” lively ...

The remote isle of Cosmoledo was a wreck, until a South African adventurer rebuilt it as a model of marine conservation ...

A group of Malaysian fishers has become "fish hunters," scouring their local rivers for suckermouth catfish and other ...

Pacific spiny lumpsuckers are wee, coastal fish that look a bit like concerned strawberries, have a fluorescent glow and pack ...

Keeping mystery snails is fun and rewarding. It’s also a fantastic way to add color to a tank. Aquatic snails are ...

Nearly all freshwater game fish at popular recreational fishing areas in Southern California have been exposed to invasive ...

More than 90% of popular freshwater game fish in Southern California contain an introduced parasite capable of infecting ...