
Lungfish African
Protopterus annectens
Family: Protopteridae • Origin: Various
Lungfish African (Protopterus annectens) is a aggressive other reaching 40 inches. Can be kept singly. Minimum tank: 125 gallons.
Is Lungfish African Right for Your Tank?
Lungfish African is rated "expert" (4/5) — best for experienced aquarists. They have specific requirements that make them challenging for beginners. At 125+ gallons minimum, these are large-tank fish. Make sure you have the space and filtration before committing.
Lungfish African is aggressive and best kept alone or with other robust species that can hold their own. Not suitable for peaceful community tanks. They are territorial — provide adequate hiding spots and maintain enough space to reduce aggression. Expected lifespan: 20 years with proper care.
Common Mistakes with Lungfish African
Relying on a heater without a thermometer
Lungfish African needs 75–86°F. Heaters malfunction or drift over time — always use a separate thermometer to verify. Temperature swings of even 3–4°F can trigger stress and disease, particularly ich.
Putting them in a tank under 125 gallons
Many beginners underestimate tank size needs. Lungfish African requires at least 125 gallons — ideally 188. Cramped tanks lead to stunted growth, aggression, and poor water quality.
Housing with peaceful nano fish
Lungfish African is aggressive and territorial — small, peaceful species like neon tetras, endlers, or celestial pearl danios will be stressed, bullied, or eaten. Choose tank mates that can hold their own.
Care Tips
- • Max size: 40"
- • Temp: 75-86°F
- • pH: 7-8
- • Can be kept alone
- • aggressive temperament
Feeding: Standard carnivore diet for Protopteridae.
Compatibility Notes: Typical aggressive Protopteridae species.
Tank Setup & Water Parameters
Tank Requirements
- Minimum Tank Size
- 125 gallons
- Recommended Tank Size
- 188 gallons
- Swimming Level
- bottom
Water Parameters
- Temperature
- 75–86°F
- pH Range
- 7–8
- Hardness (dGH)
- 5–15
- Water Type
- freshwater
Behavior & Temperament
- Temperament
- aggressive
- Aggression Level
- 4/5
- Schooling
- No
- Territorial
- Yes
- Fin Nipper
- No
- Predatory
- Yes
- Diet Type
- carnivore
- Growth Rate
- fast
Typical aggressive Protopteridae species.
Breeding
- Breeding Type
- egg layer
- Breeding Difficulty
- difficult
- Lifespan
- 20 years
Ideal For
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