| 100 Products | Oct 2025 | Oct 2026 | Change |
| M&S 2 Battered Cod & Crushed Pea Fishcakes () | £4.50 | £4.50 | £0.00 No change |
| | £4.50 | £4.50 | £0.00 No change |
| Seafood & Eat It Potted Crab with Brown Shrimp (60g) | £3.00 | £3.00 | £0.00 No change |
| | £3.00 | £3.00 | £0.00 No change |
| M&S Collection 2 Posh Lobster & Prawn Cocktails Starters (180g) | £12.00 | £12.00 | £0.00 No change |
| | £12.00 | £12.00 | £0.00 No change |
| M&S 2 Battered Haddock Fillets () | £5.50 | £5.50 | £0.00 No change |
| | £5.50 | £5.50 | £0.00 No change |
| Mr Freed's Small Fish Balls Fried (300g) | £4.28 | £6.00 | + £1.72 40.2% increase |
| | £4.28 | £6.00 | + £1.72 40.2% increase |
| M&S Icelandic 2 Lemon Sole Fillets (230g) | £6.90 | £6.90 | £0.00 No change |
| | £6.90 | £6.90 | £0.00 No change |
| M&S 2 Breaded Plaice Fillets () | £5.00 | £6.50 | + £1.50 30% increase |
| | £5.00 | £6.50 | + £1.50 30% increase |
| M&S 2 Thai Style Fishcakes () | £4.50 | £4.50 | £0.00 No change |
| | £4.50 | £4.50 | £0.00 No change |
| M&S Hot Smoked Scottish Mackerel () | £4.75 | £4.75 | £0.00 No change |
| | £4.75 | £4.75 | £0.00 No change |
| Seafood & Eat It Live Dorset Clams (500g) | £10.00 | £10.00 | £0.00 No change |
| | £10.00 | £10.00 | £0.00 No change |
