Overview
The Squareback Anthias (Pseudanthias pleurotaenia) is a advanced saltwater species known for its pink-purple, square marking coloration. Pink/purple with square spot. Mid to Top.
Origin & Appearance
Origin: Western Pacific.
Colors: Pink-Purple, Square marking.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 20.0 x 3.6 x 6.0.
Sexual Dimorphism: Strong; protogynous hermaphrodite; males more colorful.
Tank & Water Requirements
| Min Tank Size | 125 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | medium |
| Oxygen Demand | high |
| Plant Safe | yes |
| Aquarium Position | Mid to Top |
Behavior & Activity
Mid-water schooler above reef; constant movement in water column; males display during territorial swimming
Speed: 50/100Aggression: 3/10diurnalSchooling (1+)
Breeding
Not bred at home; pelagic spawner
Common Diseases
💊 Starvation💊 needs frequent feeding💊 ich
Expert Notes
Pink/purple with square spot; difficult