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fringed darter
fringed darter (Etheostoma crossopterum) [female]
Photo © Uland Thomas
fringed darter (Etheostoma crossopterum) [male]
Photo © Lance Merry
Features and Behaviors
FEATURES
The second dorsal fin of the breeding male fringed darter has a white edge. There are three branches per fin ray with the third branch much longer than the second. The typical number of rays is 12-13. There are usually nine dorsal spines. This species may attain a length of up to four inches.
BEHAVIORS
The fringed darter is present in the streams of the Cache River basin in southern Illinois where it lives in rocky pools and riffles. Small crustaceans and insects comprise its diet.
Illinois Range
Taxonomy
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Percidae
Illinois Status: common, native
