Overview
The Common Lionfish (Pterois volitans) is a intermediate saltwater species known for its red-brown, white stripes, elaborate fins coloration. Venomous spines. Mid to Bottom.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Red-Brown, White stripes, Elaborate fins.
Body Shape: Globiform (round/inflatable). Typical adult dimensions: 38.0 x 17.1 x 20.9.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 125 gallons |
| Temperature | 75–79°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | high |
| Oxygen Demand | high |
| Plant Safe | yes |
| Aquarium Position | Mid to Bottom |
Behavior & Activity
Slow drifting predator; spreads elaborate fins to corner prey against surfaces; slow deliberate stalking then sudden vacuum strike
Speed: 25/100Aggression: 4/10diurnal
Breeding
Not bred at home
Common Diseases
💊 Hardy💊 venomous spines
Expert Notes
Venomous spines; predator; invasive