The daughter was rescued from her flooded home three days later.
The court eventually ordered the woman to pay S$20,000, plus interest.
The husband said he was staying at the hotel with a "colleague".
Authorities have traced funds related to scams and human trafficking to bank accounts in her name.
A third man managed to break up the hawker centre "MMA" fight.
Offenders can face fines of up to S$1,000, three months' jail, or both.
The two abandoned fish farms were owned by Apollo Aquaculture Group and Barramundi Group.
The staff also praised the newborns for being so patient throughout the crisis, with none throwing tantrums.
During the chaos, the woman also lost her footing and fell.
The MAS officer asked him to download a cryptocurrency wallet application.