There are a number of synonyms for Osmerus eperlanus, a type of freshwater fish commonly known as the European smelt. Some of the other terms used to refer to this species include eperlan, sparling, spirlin, and European sprat. In addition, there are a variety of other smelt species found throughout different parts of the world, many of which share similar traits and physical characteristics. While the European smelt is generally considered a popular target for fishing and culinary purposes, it also plays an important ecological role within freshwater habitats and is recognized as an important indicator species for environmental health and wellbeing.