Neosho Madtom
Photo by Greg Sievert
Used by permission

Neosho Madtom
Noturus placidus

Federal Status:

State Status:

  • Range: Kansas range map for Neosho Madtom
    Dark Blue = Counties with designated critical habitat
    Light Blue = Historical records
  • Comments: The Neosho madtom occurs only in the Cottonwood, Neosho and Spring rivers. It is a small member of the catfish family that lives in loose, clean gravel where there is noticeable flow. Gravel dredging from the riverbed of the Neosho River is restricted to conserve this habitat for the Neosho madtom. It hides during the day and is most active in the hours following sundown as it searches for insect larvae of caddisflies, mayflies and midges. The Neosho madtom will grow to be 3 inches in length and has a 2-3 year lifespan. Annual surveys are conducted at several riffle sites along the Neosho and Spring rivers to monitor the population of this fish. It is believed that early summer high flows are necessary for successful spawning, which do not occur as often since impoundments were built on the Cottonwood and Neosho rivers. Beware of the sharp, pectoral spines on this small catfish and their associated venom that help protect it from larger predators.

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Other Fish on the Kansas T&E List

Kansas Wildlife Refuge
Text: Ed Miller and Bob Gress
Range Maps and Web Design: Jim Mason

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Great Plains Nature Center
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