The passenger vessel, ML Sabit Al Hasan, sank after colliding with the cargo ship, SKL-3, at the mouth of the Syedpur Koyla Ghat on the Shitalakkhya River in Munshiganj.
Rescuers had initially given a toll of four dead after the boat went down just off Orzola, a village at the northern tip of Lanzarote island, at around 7:30 pm (1830 GMT) on Tuesday evening.