Scanning electron micrographs of selected species of indicator foraminifera characterizing the major cluster habitats around Moorea Island.

Species that bear symbionts: 1. Coscinospira hemprichii Ehrenberg; 2. Peneroplis pertusus Forskål; 3. Borelis schlumbergeri Reichel; 4, 5. Amphisorus hemprichii Ehrenberg (Scale bar is 200μm); 6, 7. Sorites orbiculus Ehrenberg; 8, 9. Parasorites orbitolitoides Hofker; 10. Monalysidium confusa McCulloch; 11. Assilina (Operculina) ammonoides Schröter; 12. Amphistegina lessonii d’Orbigny; 13. Heterostegina depressa, d’Orbigny; Species associated with the symbiont-bearing taxa: 14. Schlumbergerina alveoliniformis Brady; 15. Anomalinella rostrata Brady; 16. Eponides repandus Fitchel and Moll; Opportunistic species: 17. Ammonia tepida Cushman; 18. Bolivina striatula Cushman 19. Bolivinella elegans Parr; 20. Bulimina sp. 1 (Scale bar is 50μm); 21. Buliminella elegantissima d’Orbigny; 22. Elongobula spicata Cushman and Parker; 23. Elphidium oceanicum Cushman; 24. Fursenkoina schreibersiana Czjzek; 25. Hopkinsina pacifica, Cushman; 26. Loxostomina limbata, Brady; 27. Nonionoides grateloupi d’Orbigny; 28. Reusella pacifica Cushman and McCulloch; 29. Sigmavirgulina tortuosa Brady; 30. Trifarina bradyi Cushman; Heterotrophic species: 31. Sagrinella convallaria, Millett; 32. Wiesnerella auriculata Egger; 33. Quinqueloculina cf. Q. semireticulosa Cushman; 34. Quinqueloculina funafutiensis, Chapman; 35. Quinqueloculina exsculpta Heron-Allen and Earland; 36. Quinqueloculina eburnea d’Orbigny; 37. Quinqueloculina cuvieriana d’Orbigny. Scale bar is 100μm for all magnifications.