Most people are completely unaware that darters exist.
Darters are thosesmall mystery fishes that one occasionally sees literally darting around theedges of streams. Unless you are unusually perceptive or aggressive you haveprobably just not noticed them. All darters are in the perch family, and as a general rule have no swimbladder and thus stay on the bottom feeding and living out theirlives. Darters display a surprising range of color and body types and asgeneral rule make a fascinating aquarium pet. They display a degree of sexualdimorphism with the males being the brighter and more aggressive of thesexes.