Invasive species cost the North American economy $26 billion a year. By outcompeting local plants or animals, invaders reduce ...

UC Davis study of 161 fish species using high-speed video reveals evolutionary trade-off: large teeth prevent mobile jaw development.

The first species, Chiloglanis asperocutis, or the “rough skin” suckermouth catfish, stands out from other species with its ridged body and high number of teeth, researchers said.

The large fish, spanning nearly a metre on the lake bed, lived in waters thick with rival fish, including giants several ...

Two new studies add to the evidence that human activity, from fishing to urban development, is driving the evolution of wild ...

The Vermont Fish and Wildlife Department explained that as of July 1, a new law called Act 47 prohibits the sale of pond ...

Striped bass populations have always experienced wild gyrations in the Gulf of St. Lawrence. The assessment notes that ...

Ellen Spiegel discusses her story about how federal changes to the endangered species program will affect CT animals.

I was frustrated with seeing methods being used to estimate wolf numbers that were very indirect and ... were unlikely to ...

Within three months, a shipment of small branches arrived in California. The branches carried not only cottony cushion scale, ...

Researchers in Zimbabwe identified two new catfish species, the rough skin and dwarf suckermouth, in highland rivers like the Buzi and Pungwe river systems.

Zeus isn’t just any shark. For starters, he’s got a rescue story. Originally caught illegally and injured, he found a new ...