This kind of behavioral "plasticity" is a powerful tool in a changing climate. Fish that can adjust their behaviors in ways that boost their fitness are more likely to survive as climatic conditions ...

Fish live in water, but do they feel thirsty, and how do they drink water safely if they live in the sea? Of course, we don't ...

Photos taken by blackwater divers offered a new glimpse into the early life stages of marine fishes and their interactions with other animals. By Alexa Robles-Gil Every night after dusk, one of the ...

Chris Kehrer, science program manager at Port Royal Sound Foundation in South Carolina, recently answered a question I have wondered about since childhood. Why does the Atlantic croaker, a marine fish ...

Researchers believe marine heatwaves could be impacting fish growth patterns—and Nemo’s only getting smaller. Clownfish like Amphiprion ocellaris (pictured in in Kimbe Bay, Papua New Guinea) are known ...

The goby fish, particularly species like Sicyopterus stimpsoni, is one of nature’s most remarkable climbers. In fast-flowing rivers and steep tropical regions, some species of fish achieve an ...

Clown anemonefish (Amphiprion percula) have a surprising survival strategy: they shrink in length — not just lose weight — to survive marine heat waves and avoid social conflicts, boosting their heat ...