Fish

Fish are aquatic vertebrates that are covered with scales and breathe through gills without needing to leave the water. Fish can be found in saltwater, freshwater, warm waters or cold waters. In this section, you'll learn all about aquarium and wild fish.

5 Types of Fish Tail Fin
5 Types of Fish Tail Fin

The caudal fin is one of the many fins that a marine animal has, but it's the one that draws our attention the most, perhaps due to its movement, shape,…

Learn About Flying Fish
Learn About Flying Fish

When we think about animals that fly, birds are the first ones that come to our minds. However, have you ever heard about flying fish? As their name suggests, they…

5 Types of Fish Fins
5 Types of Fish Fins

In order to be able to move and keep their balance in water, fish really need their fins. Of course, they’re not all the same. It all depends on the…

How Water Pollution Affects Fish
How Water Pollution Affects Fish

The planet's aquatic ecosystems are seriously threatened by water pollution caused by human activity, and, unfortunately, this seriously affects fish…

Are There Scaleless Fish?
Are There Scaleless Fish?

It may sound strange, but not all fish have scales. Fish are part of a very diverse group of vertebrates, as we can classify them according to their skeleton, jaw,…