| 100 Products | May 2025 | May 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 |
| Findlater's Roast Salmon Pate (115g) | £3.95 | £4.15 | + £0.20 5.1% increase |
| | £3.95 | £4.15 | + £0.20 5.1% increase |
| 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 |
| Mowi Superior Scottish Salmon Fillets (230g) | £5.75 | £6.50 | + £0.75 13% increase |
| | £5.75 | £6.50 | + £0.75 13% increase |
| M&S 2 Battered Haddock Fillets () | £5.00 | £5.50 | + £0.50 10% increase |
| | £5.00 | £5.50 | + £0.50 10% increase |
| Mr Freed's Small Fish Balls Fried (300g) | £3.80 | £4.80 | + £1.00 26.3% increase |
| | £3.80 | £4.80 | + £1.00 26.3% increase |
| M&S Icelandic 2 Lemon Sole Fillets (230g) | £7.05 | £6.90 | - £0.15 -2.1% decrease |
| | £7.05 | £6.90 | - £0.15 -2.1% decrease |
| M&S 2 Breaded Plaice Fillets () | £4.75 | £6.50 | + £1.75 36.8% increase |
| | £4.75 | £6.50 | + £1.75 36.8% increase |
| M&S 2 Thai Style Fishcakes () | £4.50 | £4.50 | £0.00 No change |
| | £4.50 | £4.50 | £0.00 No change |
