Overview
The Alligator Gar (Atractosteus spatula) is a advanced freshwater species known for its olive-brown, spotted coloration. Prehistoric. Surface to Mid.
Origin & Appearance
Origin: North America.
Colors: Olive-Brown, Spotted.
Body Shape: Sagittiform (arrow/pike). Typical adult dimensions: 300.0 x 45.0 x 60.0.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 2642 gallons |
| Temperature | 54–82°F |
| pH Range | 6.5–8 |
| Water Hardness (GH) | 5-20 |
| Bioload | very-high |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Surface to Mid |
Behavior & Activity
Slow surface lurker; drifts like a log; sudden sideways head snap to catch prey; prehistoric cruising
Speed: 65/100Aggression: 5/10diurnal
Breeding
Not practical at home
Common Diseases
💊 Very hardy
Expert Notes
Prehistoric; grows enormous; pond/public aquarium only