Fish inhabiting the streams of the Smokies include trout, lamprey, darter, shiner, bass, and sucker. The snail darter adult length ranges between . Storm's stork and the Oriental darter can be found in wetlands. The American darter ("A. anhinga") is more commonly known as the anhinga. Other species include great thick-knee, greater flamingo, darter, and brown hawk owl. The snail darter reaches sexual maturity at one year. More research on the snail darter life history is needed. The lifespan of the snail darter ranges between 2 and 4 years. Further aquatic vertebrates included river dolphins and the large darter ""Anhinga" fraileyi". The county is home to the Watercress Darter National Wildlife Refuge. One, the southern tessellated darter ("Etheostoma olmstedi") is found only in the Ocklawaha. Also at risk are the sacred ibis and African darter. The only other river inhabited by the darter is the nearby San Marcos River. In 1983, he appeared as the celebrity darter for charity on "Bullseye". Wilkinson was awarded the Silver Star for his service aboard the Darter.