Table 3. Biogeographic distribution of fish species observed among the Pitcairn Islands based on species presence.
Distribution | Total | Ducie | Henderson | Oeno | Pitcairn |
Anti-tropical | 6 (2.9) | 4 (3.3) | 4 (2.6) | 3 (2.0) | 4 (2.8) |
Circumtropical | 8 (3.9) | 6 (4.9) | 5 (3.3) | 3 (2.0) | 5 (3.4) |
Central Pacific | 3 (1.5) | 3 (2.4) | 3 (2.0) | 3 (2.0) | 3 (2.1) |
Indo-Pacific | 131 (63.9) | 75 (61.0) | 98 (64.9) | 98 (64.9) | 92 (63.4) |
Pacific | 29 (14.1) | 19 (15.4) | 22 (14.6) | 23 (15.2) | 22 (15.2) |
Pitcairn endemic* | 1 (0.5) | 1 (0.8) | 1 (0.7) | 1 (0.7) | 1 (0.7) |
Pitcairn regional endemic# | 22 (10.7) | 13 (10.6) | 15 (9.9) | 16 (10.6) | 13 (9.0) |
South Pacific | 1 (0.5) | 1 (0.8) | 1 (0.7) | 1 (0.7) | 1 (0.7) |
Subtropical South Pacific | 4 (2.0) | 1 (0.8) | 2 (1.3) | 3 (2.0) | 4 (2.8) |
Total | 205 | 123 | 151 | 151 | 145 |
Values are numbers of species with percentages in parentheses for all four islands combined and for each island individually.
Pitcairn endemic*: only found at the Pitcairn Islands;
Pitcairn regional endemic#: found at Pitcairn and Easter/Salas y Gómez and/or Tuamotus/Austral Islands.