Overview
The South American Lungfish (Lepidosiren paradoxa) is a advanced freshwater species known for its brown-olive coloration. Only living species in genus. Bottom.
Origin & Appearance
Origin: South America.
Colors: Brown-Olive.
Body Shape: Filiform (eel-like/snake). Typical adult dimensions: 125.0 x 7.5 x 7.5.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 264 gallons |
| Temperature | 75–82°F |
| pH Range | 6–8 |
| Water Hardness (GH) | 3-15 |
| Bioload | very-high |
| Oxygen Demand | low |
| Plant Safe | no |
| Aquarium Position | Bottom |
Behavior & Activity
Very slow eel-like bottom movement; gulps air at surface; minimal locomotion; lives in stagnant water
Speed: 20/100Aggression: 5/10nocturnal
Breeding
Difficult
Common Diseases
💊 Very hardy
Expert Notes
Only living species in genus; breathes air