where do eels hide
Eels like to hide in caves or holes but also need plenty of space to swim. Many species, especially the Spiny Eels, also enjoy burrowing into the substrate. Because most eels are naked or have very small scales protecting their bodies it is important that the substrate is soft, such as fine sand and peat.el-like Fish: Aquarium eels also include many so-called 'freshwater eels' that are not true eels. Yet they are all commonly called eels in the aquarium industry. Other Eel-type fishes include: 1  Swamp Eels. 2  The Swamp Eels are members of Synbranchiformes Order which contains 3 families.