Pygmy Swordtail

Xiphophorus pygmaeus

Pygmy Swordtail is a peaceful middle-to-top swimmer.

PeacefulMiddle to top swimmerBeginner – Intermediate

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

Quick facts

Adult size
≤ 4 cm (≤ 1.6 in)
Aquarium size
54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
Care level
Beginner – Intermediate
Temperament
Peaceful
Swimming zone
Middle to top swimmer
Temperature
22–26 °C
pH
7–8
GH
8–20 dGH
Diet
Omnivore
Lifespan
up to 5 years

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 5 years.

Aquarium size and space needs

Minimum aquarium size: 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 22–26 °C, pH 7–8, GH 8–20 dGH.

Temperament and compatibility

Pygmy Swordtail is peaceful and suits calm community fish.

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

As an omnivore, Pygmy Swordtail should receive a varied diet rather than one repeated food type.

Natural habitat and origin

Origin: Mexico.

Before adding this fish

  • Plan for an aquarium of 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length.
  • Avoid aggressive or highly competitive fish.
  • 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 Pygmy Swordtail get?

Pygmy Swordtail reaches ≤ 4 cm (≤ 1.6 in).

What aquarium size does Pygmy Swordtail need?

Use an aquarium of at least 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length.

Is Pygmy Swordtail peaceful?

Yes. Pygmy Swordtail is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.

What temperature is suitable for Pygmy Swordtail?

Keep it between 22 to 26 °C.

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