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.
Brown algae is the largest type of algae. Brown algae is in the phylum Phaeophyta, which means dusky plants.. Brown algae is brown or yellow-brown in color and found in temperate or arctic waters. Brown algae typically have a root-like structure called a holdfast to anchor the algae to a surface.. Green Algae-the Chlorophyta. There are more than 4,000 species of green algae. Green algae may be found in marine or freshwater habitats, and some even thrive in moist soil. These algae come in 3 forms: unicellular, colonial or multicellular.