Anus Spot Lampeye Killifish - Poropanchax stigmatopygus Fish Profile & Care Guide
Introduction
The Anus Spot Lampeye Killifish (Poropanchax stigmatopygus) is a small, benthopelagic freshwater fish endemic to West Africa. Measuring up to 2.5 cm in standard length, this species features a slender body with iridescent scales that shimmer mesmerisingly under the right lighting conditions. Known for its peaceful nature, it is well-suited for both novice and experienced aquarists and makes an excellent addition to a planted aquarium.
The Anus Spot Lampeye Killifish is a remarkably peaceful, shoaling species that should be kept in groups of at least six to eight individuals to promote natural behaviours and reduce stress. Suitable tankmates include small, non-aggressive species such as small cyprinids, dwarf cichlids, and small catfish. Avoid housing them with larger or aggressive fish to prevent intimidation or predation.
In captivity, the Anus Spot Lampeye Killifish thrives in a well-maintained aquarium featuring gentle water flow and abundant plant cover, including floating plants to diffuse light and provide shelter. A dark substrate enhances their colouration, while stable water conditions are important and essential for their health and well-being. Following these care guidelines enables aquarists to maintain a healthy and vibrant group of Poropanchax stigmatopygus, allowing them to display their natural behaviours and stunning iridescence.
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Photos
Sexual Dimorphism
Sexual dimorphism in Anus Spot Lampeye Killifish is subtle. Males may exhibit slightly more vibrant colouration and longer, more pointed fins compared to females, which tend to have shorter, rounder fins and a fuller body, especially when viewed from above or below. Both males and females exhibit a distinctive dark marking near the anal region.
Quick Facts
| Scientific Name | Poropanchax stigmatopygus |
|---|---|
| Year Described | 1968 |
| Kingdom | Animalia |
| Classification | Actinopterygii |
| Order | Cyprinodontiformes |
| Family | Poeciliidae |
| Genus | Poropanchax |
| Origins | Gabon Cameroon Equatorial Guinea |
| Approx Max Size | 2.5 cm |
| Temperament | Peaceful |
| Aquarium Level | Middle - Top |
| Difficulty | Intermediate |
| Shoaling | NA |
| Best kept as | Groups 6+ |
| Diet & Feeding | Omnivore |
| Reproduction | Egg-Scatterer |
| Average Lifespan | Up to 3 Years |
Water Parameters
| Water Type | Freshwater |
|---|---|
| pH | 6.0 - 7.5 |
| GH | 4 - 12 |
| KH | 1 - 5 |
| TDS | 50 - 150 |
| ℉ | 72 - 79 |
|---|---|
| ℃ | 22 - 26 |
Natural Habitat
The Anus Spot Lampeye Killifish is native to Cameroon, Gabon, and Equatorial Guinea in West Africa. This species thrives in the heavily vegetated margins of small rivers, brooks, and streams with clear, oxygen-rich waters and moderate flow. These fish are typically observed schooling near vegetation along the edges of these waterways.
Breeding
Breeding Anus Spot Lampeye Killifish in captivity can be challenging, with limited successful attempts reported. They are egg scatterers, depositing adhesive eggs among fine-leaved plants or spawning mops. Maintaining optimal water quality and providing a diet rich in live or frozen foods can encourage spawning. However, hatching the fry from the eggs is often tricky, and poor egg survival rates have been noted.
Diet & Feeding
In the wild, Anus Spot Lampeye Killifish feeds on small invertebrates and zooplankton. In captivity, they accept high-quality dried foods, but their diet should be supplemented with live or frozen options such as daphnia, cyclops, and baby brine shrimp to ensure optimal health and colouration. Offering a varied diet will help meet their nutritional needs.
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Published: 05 Dec 2024
Last Updated: 05 Dec 2024