The widemouth blindcat lacks pigmentation and has no externally visible eyes.

The widemouth blindcat is a vulnerable species; it is threatened by groundwater pollution.

The closest living relative of the flathead is the widemouth blindcat, Satan eurystomus.

The widemouth blindcat's closest relative is the flathead catfish, Pylodictis olivaris.

The widemouth blindcat (Satan eurystomus) is a species of North American freshwater catfish endemic to Texas in the United States.

Its Latin name is Satan eurystomus, again for the skeptical, but spelunkers know these fish as blindcats.

Its Latin name is Satan eurystomus, again for the skeptical, but spelunkers know these fish as blind cats Relatively rare in California, blind cats are quite common in the caverns and caves of the Ozark states and Texas.