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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

Bucktooth Tetra with iridescent body black spot red fins swims right in a blurred green background
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by Happy Pet TeamUpdated on 14 Nov 2025

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

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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

Tank Size

Minimum 55 gallons (208 liters)

Water Temperature

23–28°C (74–82°F)

pH Level

6.0-7.5

Hardness (GH)

5 - 15 dGH

Substrate

Smooth gravel or sand

Aquascaping

Minimal decorations to allow free swimming

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

Primary Diet

Fish scales, small feeder fish

Supplements

Bloodworms, brine shrimp, daphnia

Occasional Treats

Mysis shrimp, krill

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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:

  1. Water Quality: Perform regular water changes to maintain optimal water quality.
  2. Diet: Provide a balanced diet rich in protein to support health and coloration.
  3. 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

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Happy Pet Team

Author

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.