All of the dead and missing are from Don Gerardo II.
Twelve people were rescued and the fishing vessel sank, local media reported.
The incident occurred in international waters some 216 nautical miles of the Puntilla de Santa Ellena, Ecuador, according to Dirección Nacional de los Espacios Acuáticos – Autoridad Marítima Nacional (DIRNEA).
The 13,100 TEU MSC Regulus was on its way from Callao, Peru to Lázaro Cárdenas, Mexico, according to MSC.
“At the time of the collision, MSC immediately alerted the relevant authorities in both Ecuador and Peru; simultaneously, the crew members and senior command immediately initiated search and rescue procedures, with the wounded being brought on board the ship and treated,” MSC said in a statement.
An investigation is currently underway to determine the cause of the incident.