| 20 Products | Apr 2025 | Apr 2026 | Change |
| Big Fish BigFish Organic Salmon Fillets Frozen (250g) | £6.95 | £6.95 | £0.00 No change |
| | £6.95 | £6.95 | £0.00 No change |
| M&S Collection 2 Hake Fillets Frozen (280g) | £5.50 | £6.50 | + £1.00 18.2% increase |
| | £5.50 | £6.50 | + £1.00 18.2% increase |
| Bigfish Garden Mint Salmon Fillets Frozen (250g) | £4.00 | £4.87 | + £0.87 21.8% increase |
| | £4.00 | £4.87 | + £0.87 21.8% increase |
| Big Fish BigFish Sweet Chilli Marinated Salmon Fillets Frozen (250g) | £5.80 | £5.80 | £0.00 No change |
| | £5.80 | £5.80 | £0.00 No change |
| Quorn Vegan 2 Fishless Fillets Lemon and Pepper (200g) | £3.30 | £3.30 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| M&S Mackerel Fillets Frozen () | £6.50 | £4.87 | - £1.63 -25.1% decrease |
| | £6.50 | £4.87 | - £1.63 -25.1% decrease |
| M&S 2 Wild Icelandic Cod Loins Frozen (260g) | £7.00 | £7.00 | £0.00 No change |
| | £7.00 | £7.00 | £0.00 No change |
| BIGFISH Loch Trout Fillets (250g) | £6.25 | £6.25 | £0.00 No change |
| | £6.25 | £6.25 | £0.00 No change |
| M&S 2 Smoked Haddock Fillets Fishcakes Frozen (260g) | £3.50 | £3.50 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| Picard Mackerel Fillets (600g) | £10.50 | £10.75 | + £0.25 2.4% increase |
| | £10.50 | £10.75 | + £0.25 2.4% increase |
