Figure 2. Incredible diversity lies in small animals which live in and on the sediment. Amphipods (upper left two photos), ophiuroids (brittle stars; middle bottom), holothurians (sea cucumbers; right middle), and polychaetes (annelid worms; all other photos) are examples of species associated with sediments in this realm of our planet.
Diversity
Image courtesy of CRROCKS/NSF. Download image (jpg, 781 KB).

Figure 2. Incredible diversity lies in small animals which live in and on the sediment. Amphipods (upper left two photos), ophiuroids (brittle stars; middle bottom), holothurians (sea cucumbers; right middle), and polychaetes (annelid worms; all other photos) are examples of species associated with sediments in this realm of our planet.

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