Alvarez Swordtail

Xiphophorus alvarezi

Family : Poeciliidae

FishFreshwaterswordtail

The Alvarez Swordtail is a colorful freshwater fish from Mexico, prized for its swordtail and bright colors.

Popularity

Community fish

classic in freshwater aquarium

Availability

Common in shops

Shop availability

IUCN Status

Vulnerable

Description

The Alvarez Swordtail has an elongated body and an extended caudal fin in males. Its coloration ranges from yellow to red with black spots. Females are duller. It is an active and social fish. It prefers clear, well-oxygenated water. It breeds easily in captivity.

Habitat

Region :

Clear rivers and streams of Chiapas, Mexico

Distribution :

Recommended parameters

Temperature22–28 °C

pH7–8

GH10–20 °dGH

KH5–15 °dKH

NO₃

≤ 20 mg/L

PO₄

≤ 0.5 mg/L

Care

Difficulty

2/5

Diet

Omnivore

Min. tank

80 L

Min. group

Adult size

6 cm

Lifespan

4 years

Temperament

Paisible

Propagation

Ovovivipare

Care notes

A minimum 80-liter tank is recommended. Temperature 22-28°C, pH 7.0-8.0, GH 10-20. Omnivorous, accepts flakes and live foods. Keep one male with several females. Compatible with other peaceful fish. Ovoviviparous reproduction.

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