Leaving the comfort and safety of home to explore the world is a difficult decision. However, in a tiny coral reef fish called a neon goby, dads help their offspring take the plunge by pushing them ...

A cleaner goby cleans a grouper in a Caribbean coral reef. These little fish clean much bigger fish of parasites and bacteria. Where do you go when you’re a fish and you need a skincare treatment?

Scientists report a documented case of a coral reef fish directly regulating when its offspring hatch. Male neon gobies hatch their embryos by removing eggs from the nest with their mouth, ...