Flathead catfish grow to a length of 3 to 4 feet and can exceed 100 pounds. By name, they have flat heads, with extended lower jaws and because of their typically pale yellow color, they are called “yellow cats”. Large flathead catfish are solitary, preferring to feed at night. During the day larger flatheads will lay under logs in deep water and rocks, roots, or other cover. This fish is not a scavenger as adult flatheads prey only on live fish. Sexual maturity happens between the third and sixth year with spawning occurring when the water temperature is between 75 and 80 degrees. Flatheads spawn in secluded spots like hollow logs, caves and beneath banks. Average lifespan of the flathead catfish as 12 to 14 years.