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.
Arctic Moss: Arctic moss is an aquatic plant. In the tundra, arctic moss is found at the bottom of lake beds and around bogs. Rather than normal roots, arctic moss has tiny rootlets known as rhizoids. When arctic moss is not growing, it stores nutrients in order to save energy for the next growing season.rctic moss is an aquatic plant. In the tundra, arctic moss is found at the bottom of lake beds and around bogs. Rather than normal roots, arctic moss has tiny rootlets known as rhizoids.