Fish and Wildlife Research Institute


Tesselated Darter

The southern tessellated darter (Etheostoma olmstedi maculaticeps) is a small freshwater fish found in coastal streams of the St. Johns River. It’s small geographic range and specific habitat needs suggests that it may be vulnerable to human sources of pollution and habitat alteration.

Tessellated Darter Research in Ocklawaha River Basin: A video on YouTube

Biologists are working to better describe the southern tessellated darter's distribution, occurrence and abundance.

Tessellated Darter Research in Ocklawaha River Basin: A Photo Set on Flickr

View these photos of research on the southern tessellated darter’s distribution, occurrence and abundance in the Ocklawaha River Basin in north-central Florida.

FWC Facts:
Gar and bowfin, or mudfish, have specially adapted swim bladders that allow them to gulp air at the surface when oxygen levels are low.

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