Orangefin MadtomLarry Page
The Orangefin Madtom has a slender body and a flat head with the upper jaw projecting beyond the lower jaw. The body is olive or brown above and pale yellow or white below. The fins are dark with light yellow or white edges. The caudal fin is dusky to dark with a distinctive white to orange triangle on its upper edge. The pectoral and dorsal spines are short, and the pectoral spine usually has large teeth on its rear edge. The anal fin is short with 14-16 rays. The caudal fin edge is straight or slightly rounded. To 3 ¾ in. (10 cm) total length.
The Orangefin Madtom is found in the upper Roanoke River (including the Dan River) drainage in Virginia and North Carolina. It is also found in the upper James River in Virginia where it was probably introduced. This species is uncommon.
Distribution of Noturus gilberti. © Larry Page
The Stonecat, Noturus flavus, has a cream-white spot at the rear of the dorsal fin base, small teeth on the rear of the pectoral spine, and backward projections on the premaxillary tooth patch.
Florida Museum of Natural History, Gainesville, Florida, USA
Correspondence regarding this page should be directed to Larry Page at and Griffin Sheehy at
Page copyright © 2007 Larry Page
All Rights Reserved.
- First online 23 May 2007
- Content changed 23 May 2007
Citing this page:
Page, Larry. 2007. Noturus gilberti http://tolweb.org/Noturus_gilberti/69897/2007.05.23 in The Tree of Life Web Project, http://tolweb.org/. Orangefin Madtom. Version 23 May 2007 (under construction).