Bucktooth Tetra

Exodon paradoxus

Bucktooth Tetra is a middle-to-top swimmer.

AggressiveMiddle to top swimmerIntermediate – Advanced

Save this fish or add it directly to one of your aquariums.

Quick facts

Adult size
≤ 12 cm (≤ 4.7 in)
Aquarium size
200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
Care level
Intermediate – Advanced
Temperament
Aggressive
Swimming zone
Middle to top swimmer
Temperature
22–27 °C
pH
5.5–7.5
GH
5–20 dGH
Diet
Carnivore
Lifespan
up to 10 years

Care requirements

Care level: Intermediate – Advanced.

Lifespan: up to 10 years.

Aquarium size and space needs

Minimum aquarium size: 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 22–27 °C, pH 5.5–7.5, GH 5–20 dGH.

Temperament and compatibility

Bucktooth Tetra is aggressive and needs carefully selected companions.

Swimming zone and behavior

This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding.

Feeding

Use foods that suit a meatier diet and avoid combining it with fish small enough to be treated as food.

Natural habitat and origin

Origin: Brazil, Guyana, Colombia.

Before adding this fish

  • Plan for an aquarium of 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length.
  • Choose other fish carefully around this temperament.
  • Offer a varied diet that matches this species.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

FAQ

How large does Bucktooth Tetra get?

Bucktooth Tetra reaches ≤ 12 cm (≤ 4.7 in).

What aquarium size does Bucktooth Tetra need?

Use an aquarium of at least 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length.

Is Bucktooth Tetra peaceful?

Bucktooth Tetra should be planned cautiously with compatible fish only, because aggressive behavior can limit companion options.

What temperature is suitable for Bucktooth Tetra?

Keep it between 22 to 27 °C.

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