Delivering a minor electric shock into a stream to reveal any fish lurking nearby may be the gold standard for detecting fish populations, but it's not much fun for the trout. Scientists have found ...

Further, many fish vendors are often reluctant to permit lengthy inspections of their wares, as endangered fish species can often be found for sale in Hong Kong markets. The method outlined in the ...

How the dental mold works: Researchers take impressions of fish teeth, using a fish called Polypterus as an example; (A) 3D model of the mold showing mandibular/lower side, maxillary/upper side, and ...