Mudskippers break the rules of fish biology by breathing through their skin, walking on their fins and thriving on land where ...

New research has found that roughly half of Australia's freshwater fish are fond of snacking on animal and plant material, ...

Long before whales dominated the oceans, Earth’s seas were home to a fish so massive it continues to challenge our ...

Researchers at the California Academy of Sciences kept busy throughout 2025. Along with collaborators from across the globe, ...

SACRAMENTO — A fish species that's been gone for more than 50 years is now making a comeback. The pond at Granite Regional Park is the new home of the long-lost aquatic species, the Sacramento perch.

Many migratory species such as birds, bats, whales, and fish cross national borders to complete their lifecycle and need ...

A new fish species has been recorded in Nebraska after a fisherman reeled in the colorful creature. “We hear about new species in Nebraska from time to time, but most of them are unwanted, invasive ...

These oily fish include mackerel, anchovies, and herring. The research team compared nutrient content in wild feed fish with ...