How Do Fish Reproduce in Aquariums ... each suited to their environment. They lay lots of eggs, but only a few survive to grow up. Males and females have their own roles, with some building ...

The remainder are oviparous, meaning they lay eggs. Empty shark-egg cases occasionally wash up on coastlines around the world, including in Britain. They look quite different to the traditional idea ...

Curious about a betta’s lifecycle? Let’s explore the development of betta fish eggs, how long they take to hatch, and how ...

Four zebrafish spent 43 days in orbit aboard the Tiangong space station, breaking records and advancing space biology. In ...

They have gills that allow them to breathe underwater. Surprisingly most fish lay eggs. Not hard like a chicken, but soft and lots of them. Fish all have scales, even when they're newborn and tiny.