A tiny fossil, Acronichthys maccognoi, rewrites fish evolution in North America and reveals how otophysans conquered freshwater habitats.

When saltwater fish long ago evolved to live in fresh water, many of them also evolved a more sophisticated hearing system, ...

Saltwater: As of October 1, rockfish can be caught only if they are seaward of the fifty-fathom (300 feet) line. Targeting ...

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate ...

A tiny fish fossil found far inland in Canada reveals new insight into the evolution of catfish, carp, and 2/3 of all ...

The fish’s sagittal otolith, one of the small “stones” found in the ear of the fish, is “triangular shaped” with a “tadpole shaped impression,” according to the study. The gas bladder, or swim bladder ...

Hosts of NPR's science podcast discuss new findings about long-distance fly migration, an unexpected impact of emissions in ...

The fossil of a tiny fish found in southwestern Alberta provides new insight into the origin and evolution of otophysans, the ...

From corn mazes to haunted houses, the spooky season is in full swing. Jack-o-lanterns, ghouls and goblins are around every corner, but the scariest creatures of all might be thousands of feet below ...

A 70-million-year-old fossil fish from Alberta, Acronichthys maccognoi, is the oldest North American otophysan. Its discovery ...

A team of Chinese researchers has described a new species of cave-dwelling fish in the Jinsha River basin, a remote and ...