Figure 5

Optical and scanning electron microscopy images showing Acropora tenuis sperm and eggs after 30 min exposure to suspended solids.
(a) optical microscopy image of sperm aggregating around a sediment floc, (b) secondary electron image of sperm (artificially coloured blue) tangled in sediment clumps, (c) back-scattered electron image of eggs, showing fine particles of scattered sediment, but the eggs are largely sediment free.