Measuring 10 feet (3 meters) long and weighing in at more than 400 pounds (180 kilograms), it's hard to imagine that the arapaima, the largest fish in the Amazon River basin, could ever go missing.

Everyone knows the tiger, the panda, the blue whale, but what about the other five to thirty million species estimated to inhabit our Earth? Many of these marvelous, stunning, and rare species have ...

(UPI) -- The natural body armor of the South American arapaima fish is so tough that it can withstand the piercingly fierce bite of a piranha without a problem. With its streamlined body and flat head ...

FORT LAUDERDALE (CBSMiami/AP) — Florida is already in a battle with dangerous and invasive species like the Burmese python, green iguana and lionfish and now there's a new predator in the state called ...

Last month, during a visit to Jaycee Park in Cape Coral, Florida, Leah Getts’s son spotted a massive dead fish floating in the Caloosahatchee River. “It was bigger than my 7-year-old, who’s not a ...

It's a matchup worthy of a late-night cable movie: put a school of starving piranha and a 300-pound fish together, and who comes out the winner? The surprising answer -- given the notorious guillotine ...

A flurry of social media attention recently warned that the arapaima, the largest fish in the Amazon, is facing possible extinction. A study revealed that these river giants are already extinct in ...

Join us this April 27 for an exclusive event for donors. Our experts will share analysis and recent data, and answer your questions about projections for 2026. As the world’s largest freshwater fish, ...

Arapaima gigas is a big fish in a bigger river full of piranhas, but that doesn't mean it's an easy meal. The freshwater giant has evolved armor-like scales that can deform, but do not tear or crack, ...

SHAH ALAM: A post-mortem examination of the three giant arapaima that died after being caught in Masjid Tanah, Malacca, last Friday (Oct 13) will be done soon. It was understood that the invasive fish ...

The Burmese python, green iguana and lionfish are, by now, well-known invasive species that have established a dangerous foothold in Florida. But a fearsome new invasive predator has emerged in the ...