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.
Small capsules appear at the end of the stemlike sporophytes, giving these mosses the appearance of tiny trees. Common tree mosses include haircap mosses (Polytrichum spp., Pogonatum spp., Atrichum spp. and Timmia spp.), cave moss (Schistostega spp.) and sword moss (Bryoxiphium spp.)