Table 2. The modelled species groups used to calculate the LPI for each region.
| Ocean system | No. spp | Mammals | Seabirds | Sea turtles | Sharks & rays | Other fish |
| Global | 377 | 10% | 36% | 3% | 3% | 49% |
| North Pacific | 142 | 19% | 27% | 3% | 3% | 48% |
| North & Baltic Seas | 85 | 0% | 46% | 0% | 4% | 51% |
| Mediterranean & Black Sea | 28 | 7% | 57% | 0% | 11% | 25% |
| South Pacific | 44 | 2% | 34% | 7% | 0% | 57% |
| South Atlantic | 86 | 6% | 42% | 0% | 1% | 51% |
| Caribbean & Gulf of Mexico | 26 | 4% | 35% | 19% | 8% | 35% |
The number of species used in the LPI for each system, and the percentage of species in each group that contributed to the LPI database.