This slug was found perching on a leaf looking contempt. It has a red base with a purple and brown top. It reacted to light and sound. It was probably feeding on the leaf it was staying. We found only one of this type of slug.
3-4 inches, black, lower half has vertical folds ("skirt").
Three additional in sighting.
On the trail to the memorial grove.
Largemouth Bass, PIt River, Shasta Co., CA
With four Canada geese