Without a deal, EU boats would be banned from fishing in the UK’s EEZ – although it would also mean that UK fishing boats would be barred from the waters of nearby EU member states.
This week, the EU proposed a one-year extension to the transition period for fishing to allow a deal to be negotiated, highlighting the significance of the crisis.
And there may not, contrary to earlier promises, be enough food imported. From the BBC:
Food and drink supplies in the UK face more disruption after the end of the Brexit transition period than they did from Covid, the industry has said.