Get ready to be amazed by the world’s smallest working aquarium! This micro fish tank may be small in size, but it’s bursting ...

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

Scientists are just beginning to understand the impact these particles are having on fish, the food chain, and ultimately, us. For this month’s story about microplastics—part of National ...

Newborn fish are mistaking tiny bits of trash for food. If they die, there’ll be fewer big fish—and that could rattle the food chain. marine-plastic-ocean-fish-microplasticThe naturally oily ...

Dozens of fish species are known to turn to jellyfish for this kind of protection — the jellyfish itself neither suffers nor benefits. The moment was captured by photographer Songda Cai while ...