Oregon Zoo has welcomed 25 rare Pacific lamprey – a 400-million-year-old species native to the Pacific Northwest. The effort ...

Oregon Zoo has welcomed 25 rare Pacific lamprey – a 400-million-year-old species native to the Pacific Northwest. The effort is part of a tribal-led initiative to restore lamprey populations above ...

Only a few jawless fish round out the picture. This basic grouping has remained remarkably consistent, at least for the last 350 million years.

Chance discovery of 365-million-year-old fossil reveals new species The large fish, spanning nearly a metre on the lake bed, lived in waters thick with rival fish, including giants several times ...

Armoured jawless fishes had dwindled by the Late Devonian Period (419.2-358.9 MA), but the rest were still diverse. Actinopterygians were still restricted to a few species with similar body shapes.

Ichthyology is the branch of zoology devoted to the study of fish, including: bony fish, Osteichthyes; cartilaginous fish, Chondrichthyes; and jawless fish, Agnatha.

Discover the unique biodiversity of Seychelles, from giant tortoises to rare bats, on Silhouette Island's national park.

Denny Hamlin got engaged to his longtime girlfriend Jordan Fish at the beginning of 2024, and they’re expecting their third child together. Get to know more about her here.