Your email address will not be published. Florida Flagfish are assertive fish that are typically out in the open, defending a territory, but do seem to appreciate cover such as floating plants and driftwood. Classification. “Breeding American Flag Fish” by Joe Graffagnino. If the aquarium or container doesn’t contain filamentous algae introduce a good quality dried product with added vegetable, ideally algal, content to the diet. Could be that my fish are not acting in the accepted way, but they are doing exactly what I’m relating. It is easy to keep and breed the fish, and you can keep it with schools of tetras and danios. While not college educated, I did take advanced biology in highschool, plus I worked at Woods Hole’s Sealab as an intern through highschool – I know observation and I know fish behavior, I’m not some amateur. This generally peaceful, small species displays a great variety of vibrant coloration, particularly when in breeding condition. Contrary to many reports, including a number of scientific papers, this species breeds in the same way as other cyprinodontids and does not dig pits or exhibit extended parental care. Jordanella: named in honour of ichthyologist and founding president of Stanford University David Starr Jordan (1851-1931). As the name suggests, the pattern of the fish will remind you of the American flag. The color pattern of the male is quite distinctive. A pair of them will be comfortable in a 20-gallon setup. The American Flagfish is extremely colorful and peaceful fish. It is likely to jump outside the aquarium if it gets the chance to do so. The fish is considered one of the very few species that feed on pesky black beard algae. My problem is that my females dart in and rob eggs and will eat the babies when they hatch. The eggs attach to the surface via a sticky thread and are often deposited in a hole created in the substrate. This species inhabits the St. Johns river system in Florida state, U.S.A., here seen south of Sanford city. The Flagfish is relatively small. They can be seen picking up particles from the sponge filter and glass. The American flagfish is a darling in the aquarium trade because of its colors and algae-eating behavior. It is a voracious eater, and it will deal with any alga booms in an aquarium. Young adult male from the Singapore aquarium trade. That is why you can mix them with different species of fish especially from the tropical region. Saint Mary, C.M., C.G. American flag fish are a generally hardy fish. Growing up to 2 inches, the adult American Flag … The American flagfish is among the few American pupfishes, and it belongs to the Cyprinodontidae family. A pair of this fish species will have a good time in a 10 gallon planted aquarium. I have two dominant males, each has his little “bower”. Saint Mary. The females a little smaller. They usually grow up to around 2.2 inches, so you can go with a 10+ gallon tank. In addition, there continues to be a total lack of photographic or video evidence that this species practices brood care. The American flagfish thrives when kept in groups so you should get a bigger tank to accommodate six of them or more. He has a broad head and on his squared off body he has rows of red horizontal stripes. Fish of this size feel the safest in large community tanks when they have a variety of hiding options… It is better to keep them with fast swimmers like tetras. It’s a fractional spawner with females depositing eggs on a more-or-less continuous basis when a warm temperature is maintained though ideally it should be permitted to breed on a seasonal basis in spring and late summer as it would in nature. Their ideal habitat includes the swamps, ponds, marshes, lakes and canals. Perhaps what you are seeing is territorial males? They are in a shallow tank that should promote the nest guarding behavior by the male that some have reported. Hey Guys, I own a 60Litre freshwater tank and have been looking into getting an American Flag Fish, at the moment I have some Male Guppies, Male Platies and neon tetras in the aquarium - is an American flag fish compatible with these tank mates? It grows to about 2 inches (5-6 cm), and it has a colorful and bulldog-like body. The young are especially timid, and you may find it hard to spot them as they are always hiding. Males are more colorful while females have a rounded belly and a dark blot on the dorsal fin. I lost alot of the SAE for some reason only 3 made it. You can also select dark-brown varieties if you have dark fish such as black mollies in the aquarium. As stated in the profile, this species does not construct nor defend a nest and does not guard its eggs. The American Flagfish, Jordanella floridae, is a beautiful killifish from Florida which is inexpensive and entertaining. This is one of the hardiest fish you can find in the hobby and does well in a variety of setting ranging from a community aquarium to outdoor ponds. The mating pair engages in a courtship dance that can be started by either of them. The Flag fish is a unique specimen for several reasons. Can someone tell me of a good source for proper moss / algae for these fish? }, And many encouragements for seriouslyfish. While the large boss male was elsewhere in his territory with several females, he took advantage of a female who decided to lay eggs while the territorial male’s attention were focused on the other females. Remove the female since the male can become aggressive. The fish can easily adapt to different water conditions both in the wild and in captivity. Use plant cover to minimize the light that gets into the tank’s bottom, so that the fish feels safe to venture into the open areas. Seriously Fish is undergoing some improvements to its interface, primarily with a view to making loading times and general use of the site significantly quicker. You can use rocks, driftwood, and roots to provide hiding spaces for the fish. Click on the following links to search for high quality live, frozen and dry food: To find other high quality, highly recommended foods click,, 9 images available; click on one to open viewer. To the very least, you should have a lot of plants and hiding spots. Sand and gravel-based substrates are ideal choices for an American flagfish tank. Reproductive Fitness Consequences of filial Cannibalism in the flagfish, Jordanella floridae. Perhaps one source of confusion about how much parental care the male provides is due to there being two types of males. The fish derives its name primarily from the features of the male, which resembles the flag of the U.S.A. At the time he wasn’t that much smaller than the others. I can’t say I agree with this. It is found in the aquarium trade. The American Flagfish is extremely colorful and peaceful fish. Some aquarists have successfully kept the American flagfish in community tanks, but you have to be careful about potential tankmates. They tend to hug the bottom or otherwise stay close to the plants. Their diet has been flake and frozen bloodworms. Colorful and schooling varieties like neon tetras and rummy nose tetras are good tankmates. If I must, I’ll film it and post it on Youtube the next time they spawn, but it’d be sweet of ya to just take my word for it. While it is true that flagfish can spawn in typical killifish fashion, it will definitely guard its eggs in pits in some environments. For community tanks, the situation might be different. As an Amazon Associate we earn from qualifying purchases. Add hiding places as well for the female to retreat to in between spawns. American-Flag Fish are easy to sex from a very early age. Michael, it would be great to read of your experiences as your fish grow and hopefully breed. The fish can also survive in salty conditions, as long as the salinity levels are kept between 1.000-1.005. I would but new plants they would be consumed by algae I would buy more. They establish resting positions near the base of plants, although they will hide if kept with bullying tankmates. Therefore, we can lightheartedly recommend this unique species to beginner fish keepers. It is not difficult to see why this Killifish is named after the American flag. They do nibble at my plants, but not enough to surpass plant growth. LED lights will enhance the colors of the fish and create a shimmering effect in the water. Crackerjim, your posts are not consistent. Its iridescent scales shine like stars under the right lighting. Second, the male of the species looks like an American flag. For that reason, you must keep it in a tank with a hood, lid or canopy. The American Flagfish is an undemanding Killifish that is highly sought after for its algae-managing services. The key with this fish is to make your aquarium as natural as possible. Leave the center of the tank open for the American flagfish to swim. Etymology. If that is not reason enough to acquire this hardy and interesting New World Killifish, the unique marking and color pattern is sure to win you over. He came along with the others in a batch of fish I ordered. A separate breeding tank will increase the survival rates for the fry. Hi Crackerjim. sachs systems aquaculture inc. 1185 thompson bailey rd., st. augustine, fl 32084. phone: 1.904.824.6308 The American Flagfish Killifish (Jordanella floridae) is a colorful, peaceful fish that is native to much of Florida. 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