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 ...

NEWPORT, Ky. -- It’s just past 2 p.m., and four enormous shadowy figures lie in wait just below the surface of the water in Newport Aquarium’s Amazon Exhibit. Feeding commences. While the tank is ...

Recently, while visiting the Vancouver Aquarium, I became aware of the existence of a very large fish. This fish is inappropriately large. The arapaima, pirarucu, or paiche (Arapaima gigas) is a South ...

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.

Diver Alex Reeson checks on the Arapaima or Pirarucu fishes in the tropical section of Europe's biggest freshwater aquarium Aquatis, due to open October 21, in Lausanne, Switzerland. Reuters ...

This is the moment a rare Arapaima fish native to the Amazon broke out of its aquarium in a store in Hebei, China on June 4. The Arapaima is one of the largest freshwater fish in the world, it can ...

Like youngsters leaving home on the first day of kindergarten, the Milwaukee County Zoo's two arapaima fish needed a bit of coaxing. Though arapaima are among the world's largest freshwater fish and ...