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Coral reefs1 h.jpg
Coral reef in Hawaii (NOAA)
Scientific classification
Kingdom Information
Domain Eukaryota
Kingdom Animalia
Subkingdom Radiata
Phylum Information
Phylum Cnidaria
Class Information
Class Anthozoa
Population statistics

Coral is a rocklike deposit consisting of the calcareous skeletons secreted by various anthozoans. Coral deposits often accumulate to form reefs or islands in warm seas.[1]