Some are at your aquarium (if you have one) and some in the sea,ocean and beach.
i played and thiers no seaweed
beach....seaweed.. beach....seaweed..
Mostly above water where you can find seaweed is the botton of the ocean.
in the sea
under water next to seaweed
You can find them mostly at Seaweed Street at Donald's Dock.
Nori is made by shredding edible seaweed and then pressing it into thin sheet. You can find it in Asia food stores.
source yahoo pictures foodex.hk
shells, seaweed,rocks,sharks,and fish. I think......
Use the move dive to go underwater to find shards in the seaweed.
It appears in the seaweed under Sootopolis City.
seaweed