Author: (Heckel, 1840)
FBname: Flag cichlid
Remark: Redescription by Kullander & Silfvergrip (1991: 420), with bibliography, diagnosis, description, distribution, and illustrations.
Comments: Reported to reach around 10 cm SL (Ref. 81048).  Tapajos (NRM) specimens were taken from a sandy shore at Aveiro and a small creek at Santarem, close to vegetation and with mud and sand bottom; Vila Bela da Santfssima Trinidade (NRM) specimens were seined in the shadow of the ferry, in shallow water with much aquatic vegetation; while from Madre de Dios, one sample was seined from a pool in a stream with clear, slightly tinted water and no vegetation; another, mixed sample came from a small stream and nearby cattle pool (Ref. 86444).