Mamou Killifish Care Guide
Scriptaphyosemion guignardi mamou · Freshwater Fish

What Mamou Killifish look like
The Mamou Killifish (Scriptaphyosemion guignardi mamou) exhibits a diminutive, laterally compressed body that typically reaches a maximum adult size of approximately 2 inches (5 cm). Sexual dimorphism is pronounced; males are adorned with a striking metallic blue-green hue, embellished with intricate red spots and vibrant fins displaying a palette of red, blue, and yellow patterns, while females present a more subdued, plain brown coloration. This species features a well-defined lateral line, which aids in sensory perception, and possesses a small, terminal mouth equipped with fine, needle-like teeth suitable for capturing small invertebrates and detritus. The dorsal fin is elongated and extends towards the caudal fin, enhancing its hydrodynamic profile, while the anal fin is similarly elongated, contributing to its agile swimming capabilities. Defensive adaptations include rapid bursts of speed and the ability to blend into the aquatic vegetation of its habitat.
Behavior & temperament
The Mamou Killifish is primarily a social species, often found in small groups within its natural habitat, which promotes a hierarchical structure among individuals. It typically occupies the mid to upper water column, exhibiting a preference for densely vegetated areas where it can seek refuge from predators. Breeding behavior is characterized by egg scattering, with females depositing eggs among the foliage, providing a degree of protection for the developing embryos. The species displays a generally peaceful temperament, though males may exhibit territorial aggression during breeding seasons, particularly when competing for female attention.
Diet & feeding
In the wild, the Mamou Killifish is an omnivore, feeding on a varied diet that includes small invertebrates, zooplankton, and detritus. In captivity, it thrives on a balanced diet consisting of high-quality flake food, live or frozen foods such as brine shrimp and daphnia, and occasional vegetable matter to ensure optimal health.
Behind the name
Scriptaphyosemion (scripted appearance; a reference to the intricate patterns on the fish); guignardi (named in honor of a person, likely a researcher or collector); mamou (referring to a specific locality or characteristic associated with the species).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Mamou Killifish?
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