In the animal kingdom, life spans vary widely. While some species, like tortoises and whales, can live for decades or even ...

Basic. Four primary types of aquatic insects form the foundation of a trout’s diet: mayflies, stoneflies, caddisflies, and midges. Learning how to identify each category of bugs will help you ...

As kids, many of us spent a lot of time by rivers, ponds, and streams, fascinated by the tiny world of aquatic life. We recall mayflies flying above the water, and dragonfly larvae crawling along the ...

Instead of looking for adult mayflies, researchers were searching for aquatic immature mayflies, known as nymphs, and used nets to scoop sand from the riverbed, the study said. The method worked.

This potential mercury–selenium interaction is under-studied in aquatic macroinvertebrates, particularly in relation to complex ... We exposed diatoms to elevated methylmercury concentrations and fed ...