A shoe size is a numerical indication of the fitting size of a shoe for a person. Several different shoe-size systems are still used today worldwide. In some regions, it is even customary to use different shoe-size systems for different types of shoes (e.g., men's, women's, children's, sport or safety shoes). Read more.
Aquarium Moss 101. There are many different types of aquarium moss with a variety of different uses. There are ten common types of moss that make beautiful aquatic scenery. Below are the types and differences between them; decide which of these will be the most beneficial to your fish. Java Moss.
Other types of algae found in lakes include: Euglenoids, dinoflagullates, brown algae, stoneworts/brittleworts, and desmids. This list is not inclusive of all the kinds of algae that are found in freshwater. Most freshwater algae do not cause problems in lakes.