| TO | FROM | Total introductions to region | Introductions from elsewhere to the region (with unknowns) | Introductions from elsewhere to the region | |||||||||||||||||||
| Source unknown | Africa-Inland Waters | America, North - Inland waters | America, South - Inland waters | Asia - Inland waters | Europe - Inland waters | Oceania - Inland waters | Former USSR - Inland waters | Atlantic, Northwest | Atlantic, Northeast | Atlantic, Western Central | Atlantic, Eastern Central | Mediterranean and Black Sea | Indian Ocean, Western | Indian Ocean, Eastern | Pacific, Northwest | Pacific, Northeast | Pacific, Western Central | Pacific, Eastern Central | Pacific, Southwest |
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| Africa-Inland Waters | 151 | 205 | 41 | 3 | 57 | 97 | 1 | 555 | 350 | 199 | |||||||||||||
| America, North - Inland waters | 223 | 16 | 218 | 38 | 58 | 24 | 3 | 6 | 1 | 2 | 2 | 2 | 593 | 375 | 152 | ||||||||
| America, South - Inland waters | 81 | 6 | 55 | 34 | 18 | 15 | 209 | 175 | 94 | ||||||||||||||
| Asia - Inland waters | 612 | 37 | 92 | 21 | 439 | 99 | 15 | 18 | 1 | 1 | 1335 | 896 | 284 | ||||||||||
| Europe - Inland waters | 504 | 4 | 108 | 4 | 51 | 231 | 1 | 42 | 5 | 1 | 951 | 720 | 216 | ||||||||||
| Oceania - Inland waters | 163 | 4 | 34 | 6 | 41 | 12 | 36 | 296 | 260 | 97 | |||||||||||||
| Former USSR - Inland waters | 130 | 2 | 8 | 1 | 30 | 10 | 25 | 1 | 207 | 182 | 52 | ||||||||||||
| Antarctica - Inland waters | 1 | 1 | 8 | 10 | 10 | 9 | |||||||||||||||||
| Atlantic, Northwest | 1 | 1 | 1 | 3 | 6 | 1 | 13 | 12 | 11 | ||||||||||||||
| Atlantic, Northeast | 24 | 3 | 3 | 30 | 27 | 3 | |||||||||||||||||
| Atlantic, Western Central | 35 | 21 | 2 | 2 | 60 | 39 | 4 | ||||||||||||||||
| Atlantic, Eastern Central | 2 | 2 | 2 | 0 | |||||||||||||||||||
| Mediterranean and Black Sea | 43 | 1 | 1 | 2 | 65 | 6 | 327 | 3 | 2 | 450 | 444 | 401 | |||||||||||
| Atlantic, Southwest | 2 | 1 | 3 | 3 | 1 | ||||||||||||||||||
| Indian Ocean, Western | 6 | 6 | 9 | 1 | 1 | 23 | 14 | 8 | |||||||||||||||
| Indian Ocean, Eastern | 1 | 1 | 1 | 1 | 4 | 4 | 4 | ||||||||||||||||
| Indian Ocean, Antarctic | 1 | 1 | 2 | 2 | 2 | ||||||||||||||||||
| Pacific, Northwest | 3 | 1 | 3 | 1 | 1 | 1 | 1 | 11 | 10 | 7 | |||||||||||||
| Pacific, Northeast | 3 | 1 | 4 | 4 | 4 | ||||||||||||||||||
| Pacific, Western Central | 4 | 1 | 2 | 3 | 10 | 7 | 3 | ||||||||||||||||
| Pacific, Eastern Central | 14 | 1 | 3 | 3 | 2 | 3 | 25 | 51 | 26 | 12 | |||||||||||||
| Pacific, Southwest | 2 | 5 | 7 | 7 | 5 | ||||||||||||||||||
| Pacific, Southeast | 5 | 1 | 1 | 7 | 7 | 2 | |||||||||||||||||
| Total introductions from region: | 2006 | 275 | 559 | 107 | 695 | 499 | 55 | 91 | 12 | 10 | 33 | 65 | 27 | 344 | 3 | 15 | 1 | 12 | 25 | 3 | |||
| Introductions within the region: | 205 | 218 | 34 | 439 | 231 | 36 | 25 | 1 | 3 | 21 | 6 | 9 | 1 | 3 | 25 | ||||||||
| Introductions from the region to elsewhere | 70 | 341 | 73 | 256 | 268 | 19 | 66 | 11 | 7 | 12 | 12 | 21 | 335 | 335 | 14 | 14 | 9 | 0 | 0 | ||||