Fishes: Well over 90 species of fishes are known from the area. The Big Thicket National Preserve inventoried 92 species in the preserve's waters and another 20 species are noted as possible occurrences. The National Park Service checklist includes 104 species. Others source note 98 species and 94 species. In the smaller tributaries the most abundant species are minnows, killifishes, darters, bass, and bullhead catfish, while larger creeks and bayous are dominated by channel, blue, and flathead catfish, sunfishes, largemouth and spotted bass, and crappie.