Blenny darter blennius" is further nested within the greenside darter group that contains "E. blennioides", "E. gutselli", "E. inscriptum", "E. swannanoa", and "E. thalassinum". Blenny darter The blenny darter ("Etheostoma blennius") is a poorly known species of fish in the family Percidae, from Alabama and Tennessee that inhabits swift riffles. The blenny darter lives a maximum of two to three years, grows to a maximum of 69 mm standard length, and is sexually mature at one year. It is reproductively active throughout March and April. Spawning occurs over gravel riffles with swift currents. Mature eggs are orange and translucent. The fish are
Slow goby elongated and somewhat compressed. Its large head is flattened with swollen cheeks and a large mouth. It has a pore between its eyes, and two small pores on its preopercle. Its tail fin is long and rounded without scaes or a lateral line. The slow goby inhabits rocky crevices in tide pools and under cobble in shallow water. The larvae are usually found around sargassum. It needs a temperature of 20.8-23.8 degrees Celsius (69.4-74.8 degrees Fahrenheit). Adults are benthic. Slow goby The Slow goby (Aruma histrio) is a species of goby endemic to the Gulf of California on the west