Excerpt: This species is distinguishable from its close relative C. lubbocki by color pattern; the yellow part of dorsal fin in males of C. flavidorsalis is restricted to base of the fin, while in C. lubbocki the fin is overall yellow. C. lubbocki is variable in coloration and some have a yellow dorsal fin but some possess a pinkish orange one. Females of these species are almost identical.