The Coral Sea The Sea of Tropical Fish
Horn coral / spine coral
- Rareness：★★★★★
It is a sessile, tree-like branching colony. They do not have an encrusting base where it attaches to the rock. They form large communities in calm waters on shore reefs, in reef ponds, reef slopes and the reef edge.
| Scientific name | Hydnophora rigida |
|---|---|
| English name | Horn coral / spine coral |
Area Guide
The Sea of Tropical Fish