In an Australian first, researchers have described a new species of 15-million-year-old fossilized freshwater fish, ...

Brock’s iron shield fish adds to the rich prehistoric history of McGraths Flat, and contributes to its classification as a ...

Scientists have discovered a 15 million-year-old freshwater fish fossil, which showed what was in its stomach.

The Minnesota Department of Natural Resources has confirmed the presence of zebra mussels, an aquatic invasive species, in Fish Hook Lake north of Park Rapids. In October, the DNR found zebra mussels ...

Fish can change their teeth quickly, which speeds up their evolution. Cichlids in African lakes show the fastest ...

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Sturgeon are among the oldest fish on Earth, yet many present-day sturgeon species are at threat of extinction, with 17 of 27 species listed as “critically endangered.” Sporting an armor of five rows ...

A team of scientists led by Australian Museum and UNSW Sydney palaeontologist, Dr Matthew McCurry, have described a new ...

Deep-sea fish thrive in extreme pressure, darkness, and pollution, revealing new survival mechanisms and threats.

The Texas Parks and Wildlife Department's Inland Fisheries Division has stocked nearly 27 million fish, comprising 17 ...

Every year, the aquatic animals die off when the swamp dries up, leaving their eggs behind to hatch when the rains return.

Researchers descended more than 35,700 feet (10,900 meters) below sea level to collect biological samples that revealed ...