Talamancaheros sieboldii, the Siebold's cichlid, is a species of cichlid fish found in fast- and moderately-flowing rivers on the Pacific slope of western Panama. The population in Costa Rica, which formerly was included in this species, is now recognized as T. underwoodi. T. sieboldii reaches up to in standard length and eats vegetable matter and detritus. References Heroini Fish described in 1863 Taxa named by Rudolf Kner Fish of Panama