NPSpecies

The data source confirming park status is over 10 years old. The park status value was chosen due to the lack of current evidence for the occurrence of this species in the park.; Data Source: Britt, 1993

Data Source: Britt, 1993

Park Species Detail: Britt, 1993: Etheostoma olmstedi, tessellated darter (resident, native)./ The tessellated darter is widely distributed throughout Atlantic slope drainages from St. Foy, Quebec City, Quebec south to the Altamaha River, Georgia with a separate population in lower Oklawaha River, Florida. They inhabit pool areas of streams and low gradient rivers, especially shallow areas with sand, mud or rubble bottoms while tending to avoid strong riffle areas. They are occasionally found in brackish waters up to 13 ppt salinity'J Adult size is 44-62 mm total length, with a maximum of 81 mm total length. They typically live 3 to 4 years. Diet consists of microcrustaceans, amphipods, flies, snails and algae. Spawning occurs from May to June in Maryland in water less than 30-61 cm in depth with a moderate current. The male forms a nest on the underside of marl, sand, gravel, or stone and guards the fertilized eggs. Tessellated darter were collected in Rock Creek in the present study., Park Species Data Source: Britt, 1993; Dietemann, 1975