Yes, fish pee just like humans. Learn more on how fish regulate their bodily fluids.

Most complex organisms have a permanent hole for excreting waste. (Though there are exceptions, like the warty comb jelly, which forms an anus only when nature calls.) In bipeds and quadrupeds, the ...

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 ...

The feces of some algae-eating fish could be deadly to coral reefs while coral-eating fish could benefit reefs, according to a new study from Rice University. Grazers, or fish that consume algae and ...