The rainbow darter (Etheostoma caeruleum) is a small species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is native to North America where it is found in small, fast-moving streams and small to medium-sized rivers. It grows to 2 to 3 inches (51 to 76 mm) in length.[1] The species is very sensitive to pollution and silt, staying in clean, pollution-free water. The rainbow darter is easily identified by three dark spots on the back, and blue and orange in the dorsal and anal fins.
^ abNatureServe (2013). "Etheostoma caeruleum". IUCN Red List of Threatened Species. 2013: e.T202458A2745058. doi:10.2305/IUCN.UK.2013-1.RLTS.T202458A2745058.en. Retrieved 19 November 2021.
The rainbowdarter (Etheostoma caeruleum) is a small species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family...
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23-square-mile (60 km2) watershed. The lake is also home to an unusual fish. The rainbowdarter was first found in 1996 by workers from the Minnesota Department of...
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stoneroller) and Etheostoma caeruleum (rainbowdarter) has also been noted. The slender madtom and the orangethroat darter (Etheostoma spectabile) also compete...
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