The dead were mostly men, with one toddler on board, the maritime agency's search and rescue director, Robert Teh, told Reuters.
Only 20 people are believed to have survived. "If no more bodies are found today, we may call off the search and rescue operations tomorrow," Teh said. The boat is believed to have overturned due to overloading and bad weather as immigrants were making the journey home for the Eid-ul-Azha holiday, officials told reporters on Thursday.
Read: Between hope and despair, migrants board buses for Austria
Most of Malaysia's estimated six million legal and illegal migrant workers are from Indonesia, working in construction sites, plantations, factories and in domestic service. Southeast Asia had a huge migrant crisis in May after boats carrying thousands of people from Myanmar and Bangladesh were left at sea following a Thai crackdown on people-smuggling gangs.
Last week's tragedy occurred at a time when Europe is facing its biggest refugee crisis with thousands of Middle Eastern refugees making their way by boat across the Mediterranean. Hundreds have died.
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