Overview
The Amazon Leaf Fish (Monocirrhus polyacanthus) is a advanced freshwater species known for its brown-tan (dead leaf mimic) coloration. Mimics dead leaf perfectly. Mid.
Origin & Appearance
Origin: Amazon Basin.
Colors: Brown-Tan (dead leaf mimic).
Body Shape: Compressiform (laterally flat). Typical adult dimensions: 8.0 x 1.2 x 4.4.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 20 gallons |
| Temperature | 75–82°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Drifts motionless mimicking dead leaf; slow headstand drift toward prey; sudden engulfing lunge at close range
Speed: 10/100Aggression: 5/10diurnal
Breeding
Moderate; substrate spawner
Common Diseases
💊 Ich
Expert Notes
Mimics dead leaf perfectly; ambush predator