phylum
Cnidaria
Cnidaria is a phylum in the kingdom Animalia. This database currently files 2 species under it, 1 of them threatened, recorded across 93 countries.
- Species filed
- 2
- Threatened
- 1
- Countries recorded
- 93
- With a free photo
- 100%
- Weight range
- Not recorded
What is in Cnidaria?
2 classes filed directly under this phylum.
Best-known members of Cnidaria
Ranked by popularity score.

Common jellyfish
Aurelia aurita

Staghorn coral
Acropora cervicornis
How threatened is Cnidaria?
1 of 2 species filed here have an IUCN category on record.
| IUCN category | Species | Share of assessed |
|---|---|---|
| CRCritically Endangered | 1 | 100% |
Where is Cnidaria recorded?
Species on file in this phylum with sighting records in each country. Recorded sightings, not natural ranges.
- None on record
- 1
- 2
- 3
- 4+
All species in Cnidaria
| Common name | Scientific name | Family | Status | Weight | Countries |
|---|---|---|---|---|---|
| Common jellyfish | Aurelia aurita | Ulmaridae | Not recorded | Not recorded | 65 |
| Staghorn coral | Acropora cervicornis | Acroporidae | Critically Endangered | Not recorded | 43 |