A sleek, semi-aquatic reptile that glides effortlessly through the rivers, streams, and swamps of West Africa. It is a species both mysterious and unique—so much so that it is the only member of its genus, Afronatrix. Despite its secretive habits, this snake plays an important role in maintaining the delicate balance of its freshwater ecosystems.
Physically, the African Brown Water Snake is medium-sized and has a smooth, slender body with slightly keeled scales that help it move efficiently through water. Its coloration ranges from rich chocolate-brown to reddish-brown, with a lighter underside that blends beautifully into the watery environments it calls home. The head is narrow and distinct from the neck, and its large eyes—with round pupils—give it excellent vision for spotting prey beneath the surface. Its subtle beauty is easy to miss, but up close, its glossy sheen and earthy tones reflect the muted splendor of the rivers it inhabits.
This species is perfectly adapted to life in and around freshwater habitats. It thrives in rivers, swamps, ponds, marshes, and flooded forests, and it can sometimes be found in slightly brackish waters near coastal lagoons. The snake is most active during the day, often seen swimming gracefully near the surface or basking on rocks and vegetation near the water’s edge. It is a non-venomous predator, relying on stealth and quick reflexes rather than toxins to subdue its prey. Its diet consists mainly of small fish, tadpoles, and frogs, which it captures with swift strikes. Juveniles tend to eat smaller, softer prey like tadpoles and frog eggs, while adults often target fish and larger amphibians. In doing so, it helps control local fish and frog populations, playing a vital ecological role as a mid-level predator.
Distribution
Benin
Burkina Faso
Cameroon
Côte D’ivoire
Equatorial Guinea
Ghana
Guinea-Bissau
Guinea
Liberia
Nigeria
Senegal
Sierra Leone
TogoAnything we've missed?
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Terrestrial / Aquatic
Altricial / Precocial
Polygamous / Monogamous
Dimorphic (size) / Monomorphic
Active: Diurnal / Nocturnal
Social behavior: Solitary / Pack / Herd
Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore
Migratory: Yes / No
Domesticated: Yes / No
Dangerous: Yes / No
