References (3):
- Cardwell, Jeff; 1993; "Collecting Cichlids on the Rio Amazon in Brazil"; Cichlid News Magazine (crc00415).
- Cardwell, Jeff; 1994; "A Dream Trip: Cichlids on the Xingu!"; Cichlid News Magazine (crc00441).
- Cardwell, Jeff; 2005; "Bolivian Adventure, the Lure of El Prado"; Cichlid News Magazine; v. 15; n. 1; pp. 6-14 (crc01207).
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