Considered a synonym of Eleotris amblyopsis (Cope, 1871)
- Bussing, William. 1998. "Peces de las aguas continentales de Costa Rica". Peces de las aguas continentales de Costa Rica. 1-271 (ffm01046)
Original description as Eleotris isthmensis:
- Meek, Seth Eugene & S.F. Hildebrand. 1916. "The fishes of the fresh waters of Panama". Field Museum of Natural History, Publications, Zoological Series. 10(15):1-374 (ffm00402)