| 12 Products | Apr 2025 | Apr 2026 | Change |
| Rio Mare MSC Tuna In Olive Oil (160g) | £4.10 | £4.10 | £0.00 No change |
| | £3.30 | £3.30 | £0.00 No change |
| | £3.50 | £3.50 | £0.00 No change |
| | £5.50 | £5.50 | £0.00 No change |
| Rio Mare Tuna In Olive Oil (80g) | £4.81 | £4.75 | - £0.06 -1.2% decrease |
| | £5.00 | £4.90 | - £0.10 -2% decrease |
| | £4.61 | £4.60 | - £0.01 -1.2% decrease |
| Rio Mare MSC Tuna & Cous Cous Salad (160g) | £4.40 | £4.40 | £0.00 No change |
| | £3.80 | £3.80 | £0.00 No change |
| | £4.99 | £4.99 | £0.00 No change |
| Rio Mare MSC Tuna & Lentil Salad (160g) | £8.90 | £20.90 | + £12.00 134.8% increase |
| | £3.80 | £3.80 | £0.00 No change |
| | £13.99 | £37.99 | + £24.00 134.8% increase |
| Rio Mare MSC Tuna & Bean Salad (160g) | £4.40 | £5.30 | + £0.90 20.5% increase |
| | £3.80 | £3.80 | £0.00 No change |
| | £4.99 | £6.79 | + £1.80 20.5% increase |
| Rio Mare Tuna Salad Mexican Style (160g) | £3.80 | £3.80 | £0.00 No change |
| | £3.80 | £3.80 | £0.00 No change |
| Rio Mare MSC Tuna & Sweetcorn Salad (160g) | £3.80 | £3.80 | £0.00 No change |
| | £3.80 | £3.80 | £0.00 No change |
| Rio Mare MSC Tuna in Olive Oil (160g) | £7.00 | £7.00 | £0.00 No change |
| | £7.00 | £7.00 | £0.00 No change |
| Rio Mare MSC Tuna & Cous Cous Salad (160g) | £3.80 | £3.80 | £0.00 No change |
| | £3.80 | £3.80 | £0.00 No change |
| Rio Mare Tuna Fillets in Olive Oil (180g) | £5.90 | £4.70 | - £1.20 -20.3% decrease |
| | £5.90 | £4.70 | - £1.20 -20.3% decrease |
