coral reef
Erosion-resistant aquatic structure formed from living corals, their rock-like skeletal secretions and calcium carbonate deposits from other organisms such as calcareous algae, molluscs, and protozoans.
Ichthyological terms, not general ones.
Erosion-resistant aquatic structure formed from living corals, their rock-like skeletal secretions and calcium carbonate deposits from other organisms such as calcareous algae, molluscs, and protozoans.
Any marine animal of the class Anthozoa, these being characterised by possessing a horny or calcareous skeleton, aggregations of which form coral reefs and islands.
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