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.
Species. The by far most common moray eel sold as a freshwater fish is Gymnothorax tile, it is often simply referred to as 'freshwater moray eel'. Sometimes it is labelled 'Indian mud moray', 'snowflake eel' (not to be confused with the other 'snowflake eel' Echidna nebulosa) or 'gold dust moray'.heir natural habitats are the tropical estuaries and coastal mangrove swamps. Salinity in these areas changes with the tides and the monsun, but mostly is rather close to marine. That is why a specific gravity of at least 1.010 is needed to keep freshwater moray eel.