A species of mayfly previously thought to be extinct because of how rare it is has now reappeared in Thailand.

An estimated 26 per cent of Africa’s freshwater fish species are threatened (including those assessed as Critically ...

Predatory fish that evolved into the first terrestrial animals on Earth are still revealing insights into the origins of ...

The proposal is aimed at putting fry, full-grown eels and processed eel products of all 18 species under regulation.

More than 80 Koi fish were stolen from Oak House Restaurant in Yucaipa. Investigators said one person has been arrested.

Takahiro Shiraishi was put to death on Friday, eight years after body parts were found in coolers at his home outside Tokyo. It was Japan’s first execution in years.

Synodus autumnus, or the autumn lizardfish (Iroha-eso in Japanese), derives its name from its warm-toned coloration, reminiscent of the time when leaves turn orange, yellow and red in the fall, also ...

Around 60 million years ago, a large species of Swaindelphys—extinct marsupial-like animals—roamed through modern-day Texas’ Big Bend National Park. While they were only about the size of a ...

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