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Crested Puffer
Carinotetraodon lorteti
📍 Southeast Asia
The Crested Puffer, also known as the Red-tailed Dwarf Puffer, is a small and charismatic freshwater puffer native to Southeast Asia. Males display a distinctive crest and vivid coloration, making them a prized specimen among puffer enthusiasts. They are best kept by hobbyists with some experience due to their specific dietary needs and aggressive tendencies.
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Care Guide
Diet
The Crested Puffer is a strict carnivore that thrives on a varied diet of live and frozen foods such as snails, bloodworms, brine shrimp, and small crustaceans. Snails are especially important as they help wear down the puffer's ever-growing beak. Feed adults once or twice daily, offering only what they can consume in a few minutes to maintain water quality.
Behavior
Crested Puffers are bold, curious, and highly intelligent fish that will often interact with their owners. Males are particularly territorial and aggressive, especially toward conspecifics and similarly shaped fish. They are active swimmers that explore all levels of the tank and may nip at the fins of tankmates.
Breeding
Breeding Crested Puffers in captivity is rare and considered difficult. Males will court females with displays of their crest and coloration, and eggs are typically scattered among fine-leaved plants. Raising fry is challenging as they require infusoria and very small live foods in the early stages.
Tank Mates
Bottom dwellers that may avoid puffer aggression but can still be nipped; use with caution and monitor closely.
Fast-moving and small enough to coexist cautiously, but puffer aggression remains a risk.
Peaceful algae eaters that may be tolerated but are vulnerable to fin nipping from puffers.
Snails serve as a food source for puffers; assassin snails may survive longer due to their thick shells but are still at risk.
Active loach that can potentially hold its own but should be monitored for signs of stress or nipping.
Common Diseases
Ich (White Spot Disease)
Small white spots resembling grains of salt on the body and fins, flashing, lethargy
Raise water temperature gradually to 28-30°C and treat with ich-specific medication; puffers are scaleless and sensitive to medications, so use half doses with caution.
Overgrown Beak
Difficulty eating, visible overgrowth of the beak/teeth, weight loss
Provide hard-shelled foods like snails regularly to naturally wear down the beak; manual trimming by an experienced aquarist or vet may be required in severe cases.
Internal Parasites
Bloating, white or stringy feces, loss of appetite, weight loss despite eating
Treat with antiparasitic medications such as metronidazole or praziquantel added to food or water; quarantine affected fish.
Bacterial Infection
Redness, ulcers, fin rot, lethargy, loss of appetite
Improve water quality immediately and treat with broad-spectrum antibiotics such as kanamycin or erythromycin; avoid salt treatments as puffers are sensitive.
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Quick Facts
- diet
- Carnivore – snails, bloodworms, small crustaceans, and other meaty foods
- lifespan
- 4-6 years
- max size
- 6.5 cm (2.5 in)
- tank size
- 15 gallons minimum
- temperament
- aggressive
Water it likes
- ph
- 6.5-7.5
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 5-15 dGH
- temperature
- 75–82°F (24–28°C)