Freshwater mussels are ... Mussels play a critical role in the food web because they perform this filtering service and convert an otherwise inaccessible energy source into food for animals that prey ...

It is a freshwater fish that has people ... Then, in 1967, an aquarium trader traveling through northern Malaysia saw a dead arowana at a food market and found it so attractive that he sought ...

A major reason why scientists know so little about giant freshwater rays is because they hide at the bottom of the river. They’re not considered a good food fish in Southeast Asia, so they’re ...

This includes all of the connections between producers and consumers in an ecosystem. The food web shows how interconnected all of the different organisms are.

Millions of people rely on freshwater fish for food and as a source of income through angling and the pet trade. But numbers have plummeted due to pressures including pollution, unsustainable ...