Care baseline
Lionfish are popular saltwater aquarium fish known for their striking colors and intimidating spines. These fish require a large tank and careful attention to water parameters. Aggressive by nature, they can be harmful to smaller fish and invertebrates.
| Temperature | 72–82°F |
| pH | 8.1–8.4 |
| Adult size | 3.1 in |
| Minimum group | 1 |