Channel Catfish Ictalurus punctatus
This species was found at 258 bioassessment sites, 3 rapid fish bioassessment sites, 86 fisheries assessment sites, and 0 fisheries presence-only assessment sites. In total, it was collected at 344 distinct sites, or 25.5% of the 1350 total sites monitored by the bioassessment program. It is the 21st most commonly collected species.
The Channel Catfish was collected in 436 bioassessment sampling sessions and 209 fisheries assessment sessions. It was present in 3 rapid bioassessment sessions and 0 presence-only sessions.
The biological assessment program has collected a total of 13,067 individual Channel Catfish specimens, ranking it the #25 most collected fish.
Body color varies from silvery-gray on the top to light on the underside, depending mostly on the clarity of the water. The body is marked with dark pigmented spots, which are usually unclear in large adults. Young catfish, under 2- or 3-inches long, often lack these spots. There are 24 to 29 soft rays in the anal fin, and this fin is about two-sevenths the standard length. The posterior margin of the adipose fin is free. The tail is deeply forked, which is unlike all the other catfishes except the Blue Catfish. The eyes are large, but the head is small, slender and sub-conic. The air bladder has two lobes which are laterally paired to look as one at first glance. The upper jaw is slightly longer than the lower jaw.