When Do Flatheads Spawn in Iowa?

Flatheads spawn when water temperatures are slightly warmer, in the upper 70s to high 80s, putting them on their spawning beds from late June into early July.

What temperature do flatheads spawn?

Life History - Spawning occurs in late spring when water temperatures reach 70 to 80 degrees. One or both parents excavate the nest that is usually made in a natural cavity or near a large submerged object. Females lay a golden-yellow mass of up to 100,000 eggs.

What is the best time of year to catch flathead catfish?

The Best Time To Catch Flathead Catfish

The fish are feeding heavily getting ready for winter and fishing during this time has always produced the most flatheads and the biggest ones as well. March through May is a close second as pre-spawn flathead action can be excellent as well.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.