Aphyosemion filamentosum “Ikeja” is a distinctive color variation of the well-known species A. filamentosum, inhabiting the Lagos area of Nigeria within a radius of approximately 30 kilometers. This killifish attracts aquarists with its unusual coloration and compact size, making it an excellent choice for species-specific nano setups.
Aphyosemion wachtersi is one of the most colorful representatives of the Aphyosemion genus, deserving attention from aquarists due to its relatively straightforward breeding process. This small killifish is notable for spawning without the egg diapause characteristic of most other aphyosemions.
Aphyosemion caudofasciatum was first described by Huber & Radda in 1979. In nature, this species inhabits exclusively the streams of the Zanaga region in the upper Ogoué River basin in southern Congo. These fish populate forest-covered streams, preferring shaded areas with slow current.
Aphyosemion lamberti (Lambert’s killifish) is another fascinating member of the Aphyosemion genus that attracts aquarists with its unusual coloration and compact size. The species was described by Radda and Huber in 1977. This fish is small and doesn’t require a large aquarium. Its reproduction doesn’t need egg diapause, yet this species is far from easy to maintain. Let me explain everything in detail.
Aphyosemion boehmi, commonly known as Boehm’s Aphyosemion or Gabon Killifish, was described by Radda and Huber in 1977. The species was discovered in Gabon in 1976 and is found exclusively in the Ngounie River basin in western Gabon. These fish inhabit slow-moving or standing waters, including streams, seasonal pools, and swampy areas.
Aphyosemion batesii, commonly known as Bates’ killifish, belongs to the family Nothobranchiidae and was first described by Boulenger in 1911 as Fundulus batesii. The type locality includes the Bitye River (Dja River basin) and Bumba River in the Congo River basin, southern Cameroon. The species is also found in the Kole River near Malassa, east of Mekambo, in Gabon.
Aphyosemion is a genus of freshwater fish belonging to the Nothobranchiidae family within the Cyprinodontiformes order. This genus includes perhaps the most beautiful representatives of killifish. Depending on taxonomic interpretation, the genus comprises between 35 and 95 species. Beyond their striking appearance, Aphyosemion species exhibit remarkable behavioral and reproductive adaptations.
Killifish care is fundamentally straightforward, yet it demands patience, attention to detail, and knowledge of each species’ natural habitat conditions. Providing universal recommendations for all killifish species is challenging given their diversity. However, understanding certain nuances shared by experienced keepers proves invaluable.
Killifish (family Cyprinodontidae) are distributed across all continents except Australia and Antarctica, spanning Africa, Asia, and the Americas. Most species inhabit tropical, subtropical, and equatorial zones, though some extend to northern latitudes up to 50 degrees (Newfoundland, Labrador).