Two years of record-breaking drought have dealt a heavy blow to what is arguably the Amazon's most successful sustainable economy: the managed fishery for the giant pirarucu. In Brazil´s Amazonas ...

The highly heterogeneous fish faunas in small Amazonian streams underscore the vital importance of enacting measures to protect forests on private lands outside of public protected areas.

Brazilian researchers have developed a tool that can be used to improve animal welfare by assessing tambaqui fish based on the coloration of the lower half of their bodies. Brazil is the world’s ...

A new species of the giant fish arapaima has been discovered from the central Amazon in Brazil, raising questions about what other species remain to be discovered and highlighting the potential for ...

Scientists at the National Museum of Natural History trained computer models to identify photos of Amazonian fish species. PHOTO Douglas Bastos “If we can work with communities to use AI in ecological ...

Current methods of identifying fish species require scientists to examine specimens through a microscope or conduct DNA testing. But what if identification could be achieved simply by taking a cell ...

PETALUMA, Calif. — An angler in Northern California wasn't expecting the fish he reeled in at a duck pond to have human-like teeth. The Press Democrat reports that Juan Gallo caught a pacu fish at the ...

(CNN) — Thousands of fish species — about 2,500 of them named — call the Amazon River home, but scientists estimate nearly half of the marine creatures lurking in the massive stretch of water remain ...

The Nature Index tracks primary research articles from 145 natural-science and health-science journals, chosen based on reputation by an independent group of researchers. The Nature Index provides ...