13270 Cichla monoculus Agassiz, 1831 Cichlidae Cichlids Cichlinae Cichliformes Teleostei South America: Rio Solimões-Amazonas along the main channel and lower courses of tributaries; Peru, Colombia and Brazil; including Araguari and lower Oyapock rivers north of the Amazon. Probably much more widespread in the lowland Amazon basin. AMNH 225819 Cichla monoculus IGFA 9 N 79 W Cichla monoculus P A6001.0035A6001.0039 Cichla monoculus P A6001.0006A6001.0007 1 S 56 W Cichla monoculus FISH 386790 13 S 50 W 1994 Cichla monoculus 2 - 5 m FISH 1802678 5 S 34 W 1997 Cichla monoculus AMNH 229155 1998 Cichla monoculus AMNH 229415 1998 Cichla monoculus