Brick Swordtail

About the Brick Swordtail

The Brick Swordtail (Xiphophorus hellerii) is a freshwater, livebearing fish known for its peaceful nature and vibrant colors. They are popular in community tanks and easily identified by the "sword" extension on the male's tail fin. 

Because this species can get quite large in size (up to 4-5 inches in most captive specimens), it will need greater tank volumes compared to other livebearers. However, like most livebearers, Swordtails are fond of harder water parameters.

Husbandry & Care

Temperament: Peaceful

Minimum Tank Size: 40 Gallons

Water Temperature: 61-82 °F

Water pH: 7.0-8.0

Social Group: Solitary or in a Colony; Ideally stock 2-3 females per male fish to mitigate harassment and courtship attempts

Diet: Omnivorous; Swordtails will readily consume commercial flakes/pellets, live baby brine shrimp or daphnia, algae, and frozen bloodworms/brine shrimp.

Compatible with: This species can coexist with Bristlenose Plecos, Catfish (Corydoradinae), Mollies, and other non-aggressive, fin nipping fish.