A consistent metabolic ratio found across 133 Chinese marine and freshwater fish species provides new evidence in support of the idea that fish become sexually active – and spawn for the first time – ...

Salmon born in captivity become domesticated in as little as one generation, a new study finds, explaining why hatchery-born fish don't do as well as wild-born ones in Oregon rivers. Researchers ...

A new peer-reviewed research paper, authored by Shedd Aquarium and published in Journal of Great Lakes Research, assesses the fish species that spawn in the Chicago River to sustain and support ...

The 'Fish Doorbell' now has millions of fans helping Dutch fishes migrate and reproduce safely.

The physical relief—in body weight—that temperate fish like cod and Atlantic herring experience after they spawn for the first time allows them to breathe in more oxygen and develop a voracious ...

Increasingly warm water temperatures brought on by climate change are likely to hit spawning fish and embryos harder than during other times in their life cycle, leaving them more vulnerable to ...

Dr Peter Walker is a technical director and aquatic ecologist at RSK Biocensus The UK is home to important species of fish.

Although air and water temperatures are still relatively cool, longer days and increasing air temperatures are slowly warming area lakes. Increasing lake temperatures begin to stimulate natural ...

A new study provides the first detailed documentation of a shallow-water fish diving 450 feet deep to spawn. Uncovering this very rare spawning behavior in bonefish (Albula vulpes) is unprecedented.