At least 12 people died, including three infants, and 10 others were missing after their boat sank on Monday off the Tunisian coast at Djerba as they sought to cross the Mediterranean to Europe.
The coast guard rescued 29 people who had been on board the crowded boat, an official said.
Human Rights Observatory, alocal rights group, said that all the migrants on board were Tunisians bar two Moroccans.
Tunisia is facing an unprecedented migration crisis and has replaced Libya as the major departure point for both Tunisians and people from elsewhere in Africa seeking a better life in Europe.

Netanyahu officially asks Israeli president for pardon
Pope Leo takes peace message to Lebanon, target of Israeli strikes
Tropical storm deaths top 600 in Southeast Asia
Death toll hits 212 as Sri Lanka struggles with Cyclone Ditwah impact
Mourners flock to site of deadly Hong Kong blaze as 146 confirmed dead