Let’s take a look at a range of types of saltwater aquarium fish ... They are grazers, who enjoy nibbling on algae from rocks ...

This group of snails also consists of a variety of species and is often thought of as an aquarium pest. Pond snails eat ...

A group of scientists has discovered a species of algae that is capable of being selectively bred and could help create a renewable alternative to fossil fuels. Algae has already been used to ...