Overview
The Maroon Clownfish (Premnas biaculeatus) is a intermediate saltwater species known for its dark maroon, white/gold bands coloration. Largest and most aggressive clownfish. Mid.
Origin & Appearance
Origin: Western Pacific.
Colors: Dark Maroon, White/Gold bands.
Body Shape: Deep Fusiform (oval/robust). Typical adult dimensions: 17.0 x 3.4 x 6.8.
Sexual Dimorphism: Female is larger and dominant.
Tank & Water Requirements
| Min Tank Size | 53 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | low |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Powerful aggressive waddle-swimmer; dominates large territory around anemone; rams and bites intruders
Speed: 35/100Aggression: 6/10diurnalSchooling (6+)
Breeding
Moderate; egg depositor on rock near anemone
Common Diseases
💊 Brooklynella💊 ich
Expert Notes
Largest and most aggressive clownfish