Corals belong to which phylum of animals?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Corals belong to phylum Cnidaria (also called Coelenterata), specifically to class Anthozoa. Characteristics of corals include:
- Colonial or solitary: Most reef-building corals are colonial polyps
- Calcium carbonate skeleton: Secrete hard external skeletons forming coral reefs
- Symbiotic relationship: Harbor photosynthetic algae called zooxanthellae in their tissues
- Tentacles with nematocysts: For prey capture and defense
- Radial symmetry: Body organized around a central axis
Corals are critical ecosystem engineers, creating complex reef structures that support incredible marine biodiversity. Major reef-building corals include Acropora, Porites, and Montastraea species.
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