[4] Elsewhere, the white bullhead has been widely introduced as a food and game fish, notably into California waters as a result of intentional stocking near Stockton[5] in 1874.

[6] Escapees from fee-fishing ponds and stocked lakes have led to the establishment of white bullhead in Missouri.

[9] Ameiurus catus prefers sluggish, mud-bottom pools and backwaters of rivers and streams, and does well in lakes and large impoundments.

[10] Predation by introduced white bullheads contributed to the extirpation of Sacramento perch (Archoplites interruptus) from Thurston Lake by 1970.

[4] The white bullhead commercial fishery in California was closed in 1953 due to concern of overfishing,[6] and it is not currently considered to be an invasive species by the state.