Fundulopanchax nigerianus or Fundulopanchax gardneri nigerianus originates from near coastal fresh water streams and lakes in Western Africa. Males are more colorful than females and can reach up to 6.5 cm in size. So they belong to the largest killifish that exist. It is found in Nigeria and Cameroon in marshes of greater streams in savanna and forested regions.
As the waters in which Fundulopanchax gardneri nigerianus lives are unpredictal, they have a spwaning method called semi-annual. This means that the eggs hatch in water without dry period, but also stay viable if waters dry out and fill again with water. Submerged eggs hatch between 14 and 21 days, depending on temperature. They lay their eggs on the bottom, but can be spawned with wool mop hanging into the fish tank. I have never tried to lay the mop at the bottom of the tank – would be worth a trial. They are easy to maintain and breed, but should be kept in an own tank, as the males might be aggressive towards others. They are rather territorial and only 1 male should be kept with 2 – 4 females.
As they are larger in size they should be kept in a tank of 60 litres, a piece of root or a larger stone bring structure in the tank, so you can keep more males and females so they can build territories. Densely planted and dim light make them feel comfortable and soon they will start to spawn. Keep the tank closed as they are good jumpers especially when they have arguments.
Water conditions are not crucial, medium hard – about 300 – 500 micrsiemens, temperature of around 23 degrees and neutral pH around 7.
It is not difficult to feed them they are not fussy. Almost everything is taken: Flake food, frozen food, live food. For breeding live food is the better option but I made them spawn also on dry food. Fundulopanchax gardneri nigerianus spawn all through the year and hardly make a brake, you can expect 2 – 3 eggs pertrio and day.