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Bucktooth Tetra
Bucktooth Tetra
Origin
Brazil
Habitat Size
50-150 Liters
Water Type
Fresh Water
Water Temperature
24º-28ºC
Cost in India
₹80 - ₹150
Size
3 - 4 inches (Small)
Diet
Carnivore



by Happy Pet TeamUpdated on 14 Nov 2025
Introduction to Bucktooth Tetra Fish (Exodon Paradoxus)
Bucktooth Tetra is a distinctive freshwater fish known as Exodon Tetra. It is native to the Amazon and Orinoco basins in South America. The fish is known for its predatory behaviour. They actively feed on the scales of other fish, earning the "bucktooth" moniker.
The Bucktooth Tetra fish exhibits a bold and aggressive nature, making it a fascinating yet challenging species for aquarium enthusiasts. Due to its aggressive tendencies, it's crucial to understand its care requirements and behavioural traits before introducing it to your tank.
Size of Bucktooth Tetra Fish
Bucktooth Tetra size can reach up to 7.5 cm (3 inches) in length. They can grow even bigger with a good diet and lifestyle.
Bucktooth Tetra Lifespan
Exodon Tetra fish can live up to 8 to 10 years in captivity. It can thrive and live longer under good care.
Price of Exodon Tetra
Bucktooth Tetra price in India is ₹500–₹700 per fish. It's advisable to purchase from reputable aquarium stores to ensure the health and authenticity of the species.
Best Tank Mates
Due to their aggressive and predatory nature, Bucktooth Tetras are best kept in species-only tanks. They will relentlessly attack most other tank mates, even those that are significantly larger and often considered aggressive themselves. Keeping them with other fish can lead to stress and potential harm to the other species.
Characteristics
Temperament
Aggressive
Friendly
Compatibility with other fishes
Not Friendly
Super Friendly
Habitat Size
Small
Large

Bucktooth Tetra Fish Habitat Guide
Initial Setup Cost
₹4,000 - ₹12,000
Water Temperature
24º -28ºC
Water Type
Fresh Water
PH Level
6 - 7
Mimicking a natural habitat is the best possible way to ensure that Bucktooth lives a longer life. Here are the specifications.
Parameter | Ideal Range |
Essential Equipment
Aquarium tank
Water filter
Heater
Light
Substrate
Decor
Nutritional Guide for Bucktooth Tetra Fish
Avg Monthly Expenses
₹80 - ₹ 150
Follow the diet given below to keep the Bucktooth Tetra healthy and safe.
Food Type | Examples |

Exodon Tetra Health & Care
Common Health Issues
Fin rot
White spot / ick
Fungus
Dropsy (swollen abdomen)
Ammonia poisoning
Bacterial infections
Signs of good health
Active
Bright coloration
Good apetite
Signs of sickness
Loss of appetite
Lethargic behaviour
Dull coloring
White growths
Swimming abnormally
Regular maintenance is essential to prevent common health issues:
- Water Quality: Perform regular water changes to maintain optimal water quality.
- Diet: Provide a balanced diet rich in protein to support health and coloration.
- Tank Maintenance: Ensure the tank is free from debris and uneaten food to prevent water contamination.
Prerequisites for a Fish
Adequate tank space
Cleanliness
Effort & commitment
Enriching Environment

Written by
Happy Pet TeamAuthor
Team Happy Pet is a passionate collective of pet experts, enthusiasts, and advocates dedicated to sharing trusted and insightful content.
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Frequently Asked Questions
Can Bucktooth Tetras live with other species of fish?aWhat is the ideal tank size for Bucktooth Tetras?
A minimum of 55 gallons is recommended to accommodate their active swimming behaviour.
Can Bucktooth Tetras live with other fish?
It's best to keep them in a species-only aquarium due to their aggressive nature.
What do Bucktooth Tetra Fish eat?
They primarily feed on fish scales and small feeder fish, supplemented with bloodworms and brine shrimp.
How long do Bucktooth Tetras live?
With proper care, they can live up to 8 to 10 years in captivity.
Is Bucktooth Tetra Fish suitable for beginners?
Due to their specific care requirements and aggressive behaviour, they are better suited for experienced aquarists.
What is the difference between Bucktooth Tetra vs Piranha?
Bucktooth Tetras are smaller scale-eaters, while Piranhas are larger flesh-eating predators. Despite their similar looks, Bucktooth Tetras are more aggressive in groups, unlike the territorial Piranhas.
How is Bucktooth Tetra Teeth?
They have two sharp, forward-facing teeth designed to pluck scales and fins from other fish, giving them their name and unique feeding behaviour.

