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Fahaka Puffer
Tetraodon lineatus
Animalia›Chordata›Actinopterygii
📍 North Africa
A large and highly aggressive freshwater puffer from the Nile River basin, reaching up to 18 inches and requiring a 125+ gallon species-only tank. It features an olive-green to tan body with a reticulated pattern and a bold personality, quickly recognizing its owner; it must be fed hard-shelled foods like snails and mussels to wear down its ever-growing teeth.
Care Guide
Diet
Fahaka puffers are carnivorous and require hard-shelled foods to maintain their continuously growing teeth. Feed live or frozen snails, mussels, clams, and crayfish 4-5 times weekly. Supplement with occasional frozen bloodworms, but prioritize hard-shelled prey to prevent dental overgrowth and associated health issues.
Behavior
Highly aggressive and territorial, the Fahaka puffer will attack and consume most tank mates, including smaller fish and invertebrates. They are intelligent and recognize their owners, displaying bold and curious personalities. They require constant stimulation and thrive in species-only setups where they can exhibit natural hunting and territorial behaviors.
Breeding
Breeding Fahaka puffers in captivity is extremely rare and difficult. They require specific environmental triggers and large, heavily planted tanks with minimal disturbance. Fry are difficult to raise due to their small size and specialized dietary needs, making captive breeding impractical for most hobbyists.
Tank Mates
Only compatible with other large, similarly-sized puffers in very large tanks; aggression and cannibalism are common
Will be hunted and consumed; only viable if snails are large and numerous enough to sustain predation
Primary food source; will be actively hunted and eaten as part of natural diet
Serves as live food; will be consumed, helping maintain puffer dental health
Common Diseases
Dental Overgrowth
Difficulty eating, protruding teeth, reduced appetite, mouth deformities
Provide abundant hard-shelled foods (snails, mussels, crayfish); may require manual filing by experienced aquarists in severe cases
Ich (Ichthyophthirius multifiliis)
White spots on body and fins, scratching against surfaces, lethargy, rapid breathing
Raise temperature to 28-30°C, perform 25% water changes, use aquarium salt (1 teaspoon per 5 gallons) or ich-specific medication
Fin Rot
Frayed or deteriorating fins, discoloration at fin edges, lethargy
Improve water quality with frequent partial water changes, maintain optimal temperature (75-82°C), use antibacterial medication if severe
Parasitic Infections
Excessive scratching, visible parasites, weight loss, clamped fins
Quarantine affected fish, treat with anti-parasitic medication, maintain excellent water quality and perform frequent water changes
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Water it likes
- ph
- 7.0–8.0
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- temperature
- 75–82°F (24–28°C)