The slave ship Conde dos Arcos arrived with enslaved Africans in Brazil. About 400 people had been taken aboard and approximately 375 arrived.

Vessel: Conde dos Arcos; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Captain: Silva, José Joaquim da; Investor: Silva, José Joaquim da; Captain: Monteiro, Caetano Francisco. The voyage began at Rio de Janeiro on 16 August 1824. Principal recorded place where captives were acquired: Quilimane (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 61 days. Estimated mortality during the crossing: 6.0%. Recorded outcome: Voyage completed as intended.