![]() ![]() Geological Survey in Gainesville, Florida. “As I was putting together information about its (the flathead catfish) distribution I noticed some strange things happening up in the Great Lakes,” said Pam Fuller, a researcher with the U.S. Information about flathead catfish missing from historical Great Lakes databases has aquatic organism researchers curious about when the fish emerged in this region. Spartan Newsroom - News and information from student journalists at the Michigan State University School of Journalism About the Michigan State University School of Journalism.MSU School of Journalism Code of Ethics.MSU journalism COVID-related reporting guidelines.Michigan Chile Investigative Journalism Program. ![]() In the brown bullhead all of the barbels are dark brown to nearly black, but in some cases there may be pale yellow or white at the base of the chin barbels only. ![]() The brown bullhead is frequently mottled while the yellow is never mottled and its chin barbels are yellow, buff, or pale pink in color (the upper barbels are light to dark brown). In the brown and black bullheads, the tail is squarish (truncate) or slightly emarginate, while in the yellow bullhead the tail is slightly rounded. The black bullhead lacks any such serrations or has only extremely weak serrations that are negligible by comparison. The brown bullhead and the yellow bullhead have sharp, tooth-like serrations along the rear edge of the pectoral spine, found at the top of the pectoral fin. Coloration is not a dependable distinguishing characteristic with this species and it is important to observe other physical characteristics in order to make a positive identification. Very round brown bullheads are jet black and are often mistakenly believed to be black bullheads. The sides are often lighter and may be mottled with brown blotches and the belly is yellow or white. The brown bullhead may vary from yellow-brown or chocolate brown to olive, gray, or bluish-black. ![]()
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