X4 Gold A. Australe Killie Pair Sml/Med

SEGREST_MASTER

$ 86.54 

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Killifish are not well known in the mainstream aquarium hobby and are seldom seen in local fish stores, but they are some of the most colorful freshwater aquarium fish in existence. Members of the family Cyprinodontidae, these distant relatives of mollies, guppies, swordtails and platies are known collectively as egg laying tooth carp. Most are small – 1” to 2” – with the largest species growing to less than 6 inches. Most killifish live 2 to 5 years in aquariums.

Perhaps the most fascinating thing about killifish is their different spawning methods, which separate them into three basic groups: annuals, semi-annuals and non-annuals. In the wild, annuals live in temporary pools that dry up each year for periods up to 6 months. They hatch, grow, reproduce and die all in less than a year and their eggs go dormant until the next rainy season. Semi-annuals inhabit areas that may or may not dry up completely, while non-annuals occupy permanent bodies of water. Keeping killifish ranges from easy to difficult, depending on species. While they do have a few special requirements, if you’re looking for something a little different, killifish are well worth the effort!

Water Requirements for Killifish

While many killifish come from soft acid water, captive bred strains that have been acclimated to local water conditions are becoming more common. It’s good practice to research fish carefully before buying and find out what water conditions the fish were bred in. Preferred water conditions vary depending on species, but most killies do well at a pH of 6.0 to 7.0, total hardness between 7° and 10° (120 ppm to 160 ppm) and temperature between 68° and 75° F. Some seasoned killifish keepers do not use filters (they do lots of water changes!), but for the average hobbyist a hang-on the back or sponge filter is recommended. Use an Aqueon® aquarium heater to maintain proper temperature, maintain optimal filtration and perform a 10% weekly water change or 25% every other week using an Aqueon® Aquarium Water Changer or Siphon Vacuum Gravel Cleaner. Don’t forget to treat tap water with Aqueon® Water Conditioner before refilling your aquarium!

Housing Recommendations for Killifish

Many killifish are perfect for nano and desktop aquariums because of their small size. For species tanks, a trio can be housed in 5 to 10 gallons, but a 20 gallon or larger aquarium is recommended for community setups or if you want to keep more than one male. Lighting should be subdued and non-breeding tanks should be decorated with driftwood or peat moss to help soften the water and lower pH, along with low light tolerant plants such as Cryptocorynes, Java moss and Java fern. For filtration, a small sponge filter with gentle air flow is recommended. Killifish are accomplished jumpers, so a tight fitting lid is a must!

What Do Killifish Eat?

Killifish are, by and large, carnivores. Depending on the size of your fish, frozen foods such as brine shrimp, newly hatched brine shrimp nauplii, daphnia, mysis shrimp, mosquito larvae and bloodworms are all good choices. Killifish have a reputation of refusing dry foods, but many hobbyists have had success with them. Aqueon® Tropical Flakes, Tropical Color Flakes, Betta Food and Betta Treat are all worth a try! Give your fish a variety of foods and feed only what they can consume in 2 minutes or less, once or twice a day.

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  • Are the Gold A. Australe Killie in stock ??

    Hello,  At the moment we are out of stock but can you email us at Support@YourFishStore.com on Monday and we can let you know if we have more with our incoming shipments.