Researchers are working to prove that coral-eating fish spread corals’ symbiotic algae in their feces. If they’re right, it could open new opportunities for helping struggling reefs cope. By Derek ...

Experts studying the aquaponics industry have a great gut feeling about reusing fish waste to create biogas (biologically derived gas), which can then help to power the sustainable food-growing ...

Aquaponics operations combine aquaculture and hydroponics, with nutrient-rich water from the former being used to fertilize plants in the latter. Soon, such systems could also be powered by methane ...

Adorned with spikes and toxins, crown-of-thorns starfish aren’t an easy meal. In fact, it’s long been thought that few animals could eat them. But an analysis of fish poop and stomach contents from ...