Many accounts are incomplete although new information is being added continuously.
Errors do occur.
Users are cautioned to refer back to the original cited source to assess completeness and correctness before using the information. Web updates are intermittent, not continuous, therefore some dynamic information such as legal status may not be absolutely current. The flathead catfish is native to the Rio Grande and Pecos river drainages south of the 35th parallel. Likewise, the recovery of remains of P. olivaris from Indian middens at present day Los Esteros Reservoir are evidence of the species formerly having a more northern distribution in the Pecos River. The flathead catfish is found in a variety of habitats including rivers, lakes, and reservoirs.