Nothing to do with freshness. If the fish contains parasites capable of harming us, they're already there when it's caught.
In the UK any sushi made with raw fish (and most sushi isn't - it doesn't even need to have fish in to be sushi) is made with fish which has been frozen for 48 hours. This kills any parasitic nematodes in it.
miffy93
2 Jun 17#7
The raw fish is sashimi.
peak1985
2 Jun 171#6
The actual point of sushi is the rice as that is the sushi
nitro228
1 Jun 17#2
I bought some of this and it wasn't cooked properly. Very raw in the middle. Raw fish can give you worms
Gedtheshed to nitro228
1 Jun 17#3
Good. Plenty of sushi (including this packet) is raw fish dude
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In the UK any sushi made with raw fish (and most sushi isn't - it doesn't even need to have fish in to be sushi) is made with fish which has been frozen for 48 hours. This kills any parasitic nematodes in it.