A striking, silver-colored fish commonly kept as an aquarium pet has been hiding in plain sight in the Philippines' largest freshwater lake, renewing concerns over the unmonitored and unmitigated ...

The Shedd Aquarium's Karen Murchie expects her sucker research into longnose suckers to expand knowledge on a prime prey fish ...

Located about 90 minutes north of Tampa on Florida’s Nature Coast, Crystal River isn’t your typical beach town plastered with ...

Imagine the magnificent glaciers of Greenland, the eternal snow of the Tibetan high mountains, and the permanently ice-cold ...

Top-dwelling fish are a great addition to any tank. Not only do they add vibrancy and diversity, but they may be necessary if ...

In two recent studies, researchers suggest a weakening ocean current system is to blame for a persistent cold spot in the ...

Tuna, opah, and billfishes such as marlins and swordfish are among the 0.1% of fish species that are warm-blooded. Evidence ...

Near a river in the Democratic Republic of the Congo sat a temporary pond, doomed to dry up eventually. Inside swam a ...

The new species has been found in two small isolated waterways in Brazil's Atlantic Forest, according to a study.

Licence The NIWA New Zealand Freshwater Fish Database is licensed under a Creative Commons Attribution-NonCommercial 3.0 New Zealand License 2012. Licence conditions mean users must give appropriate ...

A review of dissolved oxygen and fish species in Waikato rivers revealed very low dissolved oxygen levels in some areas, which were impacting local fish populations. NIWA has now produced revised safe ...