The river roars in the heat of the summer. The water is clear and cool, and a respite from the high sun. An angler leans back ...

Active shark species like the mako and great white shark tend to swim closer to the surface because of their need for speed.

Discover how to land and properly hold a fish without harming it or yourself. Learn beginner-friendly tips for gripping bass, trout, catfish, and more.

Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of ...

This work aimed to study the effect of new neonicotinoid thiamethoxam on the histological structure of common carp (Cyprinus carpio, L.) gills. Three experimental groups of fish were treated with 6.6, ...

Without water, the delicate gill structures that exchange oxygen for carbon dioxide stick together, causing CO2 from respiration to accumulate. These rising levels trigger nociception – the body's ...

The mudskipper fish found across mudflats and mangroves in regions from Africa to South America is an amphibious creature with quirky eyes, strong fins, and adaptations that help it to live on land.

Gills of the seawater fish Cathorops spixii (Agassiz, 1829) were submitted to routine processing for observation in scanning and transmission electron microscopy. The wrinkled surface of the gill ...

Natural organic matter (NOM) is an important constituent of aquatic environments; however, its influence on aquatic biota remains poorly studied. In the current study, NOM was isolated from nine ...

Human Ear Evolved From Gills Of Ancient Fish, New Report Says It turns out the human ear got off to a fishy start. Literally. A fascinating new study reveals that the mammalian outer ear has its ...