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Wentworth says this caused several species of fish to get killed including the stonecat, a state-listed endangered species.

The stonecat, slender-headed darter and orange-throated darter are generally restricted to riffle-habitats, and are probably sedentary.

A third group of species, represented by the red-finned shiner, stonecat, slender-headed darter and orange-throated darter, was characterized by having a low rate of recapture.

The abundance of the stonecat was greatest at the lower Marais des Cygnes station in 1957 and at the upper Neosho station in 1959.

The river carpsucker, golden redhorse, red shiner, fat-headed minnow, stoneroller, stonecat, and slender-headed darter also increased in abundance between 1957 and 1959.