The slave ship Especulador departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: Especulador; flag: Portugal / Brazil; rig: Brig; estimated standardized tonnage: 191. People recorded in connection with the voyage: Captain: Fonseca, Manoel Pinto da; Investor: Fonseca, Manoel Pinto da; Captain: Melo, Ernesto José. The voyage began at Rio de Janeiro on 26 September 1837. Principal recorded place where captives were acquired: Cape Verde Islands (Senegambia and offshore Atlantic). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 17 days. Recorded outcome: Left home port, no further record.