Erroneously named "minced meat" on the stall signage, meatballs are what you'll find in the bowl instead along with the thinly-sliced fish. Handmade at the start of each day, these lumpy things tasted fresh, springy and delicately sweet.
The hawker was reluctant to reveal what goes into them but I am guessing minced pork, fish meat, "tang chye" (preserved vegetable) and "ti poh" (sun-dried flat fish). For a $5 bowl, I thought there sure were plenty of them too.
Do note "New Market Seafood Soup" (stall #02-028) is open from 9.30am to about 3 or 4pm, depending when they sell out.