American Flagfish Questions

Discussion in 'Killifish' started by MattS99, Aug 1, 2017.

  1. MattS99Well Known MemberMember

    I've been working on getting a new tank, and the American flagfish seems pretty interesting to me. I've done a bit of research, but just want more details. Simple stuff, like minimum tank size, temperature, tank mates, diet.
  2. RobMValued MemberMember

    Jordanella floridae – Florida Flagfish (Cyprinodon floridae)
  3. NatalyaWell Known MemberMember

    I think he said he did some research; i assume he has seen that site and others and found that information is contradictory, so he wants first hand opinion.
    Sorry, I don't have any experience with flagfish!
  4. MattS99Well Known MemberMember

    Exactly. I trust your opinions a bit more than a 30 second Google search.
  5. chromedome52Fishlore VIPMember

    Males are territorial, and can be aggressive toward other types of fish, not just their own species. I have seen some males that were much bigger than the 2.25 inches given as max, but they were exceptional individuals. Generally, they don't get much more than 1.75 inches. I would also say they require more space than other fish of that size, mostly due to the aggression factor. A single male in a 15 gallon tank, or two males in a long 20, with several females.

    Not picky eaters, but certainly seem to like filamentous algae. Water temperature should be on the cooler side, I have collected them in small, shallow streams with a lot of vegetation. This was around the middle of Florida, well east of Bradenton. I didn't check the water chemistry, forgot my meters, so I don't have that data. I need to go back someday.
  6. MattS99Well Known MemberMember

    Exactly what I was looking for, thanks. Would you keep them in a species only tank, or try to make some kind of community? I've heard that they're nippers and that they should be kept with smaller, faster schooling fish.
  7. chromedome52Fishlore VIPMember

    I generally don't keep community tanks, so I can't make recommendations as to tank mates. Fish breed better in single species tanks, so that is how I keep them.

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