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Listed under:  Science  >  Life  >  Living things  >  Eukaryotes  >  Animals  >  Invertebrates  >  Cnidaria  >  Corals
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Black coral

This is a colour underwater photograph of black coral. The coral is a light green colour with a black tree-like skeleton. Some small fish are swimming nearby. (Classification - Phylum: Cnidaria; Class: Anthozoa; Order: Antipatheria.)

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Measuring photosynthesis

This is a colour underwater photograph of marine scientist Candida Savage using a scientific instrument known as the diving-PAM. The diving-PAM is being used to measure photosynthesis in corals in Fiji. Candida Savage is wearing full diving clothing and equipment including mask, wetsuit and oxygen tanks.