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. Not Specified Comments on General Food Habits Feeding is done primarily at night, but also has been recorded during the day, particularly in times of flooding when the water is turbid.
Adults are capable of feeding on forage fishes too large for most other predators.
Crayfish are also utilized extensively in water bodies in which they occur. Juvenile 01 Important 01 Environmental Associations Lifestage Environmental Association Breeding Adult Water Temp. WARM Breeding Adult Water Temp. Breeding Adult Water Temp. The flathead catfish is found in a variety of habitats including rivers, lakes, and reservoirs.