When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

The rockhead, or deep-pitted, poacher may use its ribs to beat the inside of its head cavity to communicate with other ...

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

A new study has found a decline in the abundance of marine fish species that move rapidly toward the poles to escape rising sea temperatures. The researchers explain that many animal species are ...

This proposal has drawn criticism from legal scholars and conservationists, who argue that habitat modification poses a major ...

A viral video showing the capture of a giant manta ray off Panama City Beach ignited public backlash this past summer. The manta ray was removed from Florida waters under a special permit issued by ...

Floridians were enraged last summer when a viral video showed men offshore Panama City capturing a giant manta ray, a ...

A new study has found that 59 nonhuman primate species have been seen to take part in same-sex activities. The report, ...

A cavity in the middle of the rockhead poacher’s skull might be used like a maraca to produce sound, new research suggests.

These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

Despite megafires that reduced much of their habitat to ash, some fish, amphibian and crayfish species in the Cascades ...

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