Lyretail Killifish Care Guide

Aphyosemion australe

PeacefulModerateFreshwater
Max Size
6.0 cm / 2.4"
Temperature
20–24°C (68–75°F)
pH Range
5.5 – 7.0
Min Tank Size
40L (11 gal)
Min Group Size
2 fish
Tank Level
Bottom
Origin
Africa
Temperament
Peaceful
Difficulty
Moderate
Breeding Difficulty
Easy

Diet

Omnivorous; prefers live foods but will accept flakes and frozen foods.

Community Compatibility

Well-suited for small to medium planted tanks, best kept in pairs or small groups.

Good to Know

Lyretail Killifish are admired for their vibrant colors and distinctive tail shape, a gem in smaller aquariums.

Gender Differences

Males have more pronounced colors and lyretail fins.

About the Lyretail Killifish

The Lyretail Killifish, scientifically known as Aphyosemion australe, is native to the streams and small water bodies of Gabon, Congo, and West Africa. This species is cherished in the aquarium community for its vivid colors and the distinctive, elegant shape of its tail, which features extended upper and lower rays that form a lyre-like appearance.

Male Lyretail Killifish are particularly striking, displaying vibrant body colors adorned with blue spots and dramatic, colorful fins. Females, while less flamboyant, also carry a subtle beauty with softer colorations and simpler fin shapes, which is typical among many fish species where males are more brightly colored.

In captivity, Lyretail Killifish flourish in a setting that closely resembles their natural habitat. They prefer environments that include an abundance of plant life and some floating cover to provide a sense of security and mimic the dense vegetation of their native waters. These conditions not only support their wellbeing but also enhance their natural behaviors, making them more active and engaging to watch.

The Lyretail Killifish's diet should be varied, including both live and prepared foods that are small enough for them to consume easily. This variety helps ensure that they receive a balanced intake of nutrients, supporting their health and vibrant coloration.

Breeding the Lyretail Killifish can be a rewarding experience as they tend to display fascinating reproductive behaviors. They are typically substrate spawners, laying eggs among dense vegetation where the eggs can develop safely. The visual display of courtship and spawning adds an intriguing dynamic to their already captivating presence in a home aquarium.

Overall, the Lyretail Killifish is a delightful addition to any aquarium, especially suited for those who appreciate vibrant colors and unique physical traits in aquatic pets. Their care requirements are manageable, making them suitable for both novice and experienced fish keepers who wish to dive deeper into the rewarding world of keeping killifish.

Stock Lyretail Killifish in Your Tank

Use our free stocking calculator to see if Lyretail Killifish fits your aquarium