They easily stands various tank water parameters and it can live even without water heating-up. Lifespan As you might expect for freshwater fish on the smaller side, zebrafish only survive for an average of 4 years. They will eat vitamin enriched flakes, frozen, freeze dried and live foods. These genetic lines got trademark names Electric Green, Sunburst Orange, Cosmic Blue and Galactic Purple. Scientific Name: Danio rerio. Quite often I saw complaints of some aquarists on the forums that danio rerio lay awful eggs or don’t lay eggs at all. Lifespan : 2 - 4 years, sometimes up to 5 years Origin / Habitat : Genetically modified zebra danios, they are aqua cultured Temperament / Behavior : Mostly peaceful when kept in groups of 6 or more with occasional fighting and chasing among the group. Take the water for the spawning tank from the community tank, but before pour it through a siphon and add some fresh, reach in oxygen water into it. Fish eats any food that you give it. If you ever fall ill, it might just be a Zebra danio that fixes you… Wild, tank or illegal? The place where the fish dwells to a large extent depends on the season. The zebra danio is easy to breed in captivity at home aquarium just using some simple tips. Though initially the fish was bred not as a decorative one, it became the first generally available genetically modified pet. This peculiarity of the sexual dimorphism is connected with the ability to lay eggs and hatch the juveniles which is directly hinges on the female size. As they age, Zebrafish have been shown to portray a declining exercise capacity similar to mammals. The place where the fish dwells to a large extent depends on the season. Optimal distance from the water surface to the tank lid is about 3-4 cm to make sure that if the fish jumps out, it won’t get hurt because of hitting the firm surface of the lid. Young species have short fins, in time they grow longer and form a veil (there are also long-finned species). Optimal water hardness is 15 dH and violent reaction of the medium about 6-7,5pH. This process lasts about 5-6 minutes without rest and the spawning itself seldom lasts longer than an hour. Mated pairs of Zebra Danios remain together for life; they hardly ever spawn with others even after the partner dies. However, if the food starts drowning the fish can catch it under the water, but it almost doesn’t eat the food from the tank bottom. As well as being a popular aquarium species, they are also used as test subjects for various scientific research purposes. Many use them to cycle their tanks without losing any of them. Dither fish are used to help calm other fish that may be skittish. The best way to succeed with a mating couple is to have six or more young zebras and let them choose there mate. The Zebra Danio is a highly active swimmer, especially when kept in small schools. Females are usually a bit larger with a rounder body than the males. They are best kept in schools of 6 or more. Sergey is a founder and author of Meethepet.com. Tetras like red-eye, serpae, neon, and blood fins are ideal choices for beginner and regular hobbyists. Scientific Name : Danio rerio. The main distinctive feature of glofish species that were artificially bred by means of genetic modification from their initial form is its red, green or orange fluorescent coloring, that becomes more visible and intense at UV light. Unlike artificially colored fishes glofish preserves its coloring through its whole life and passes it to its offspring. Fins edges may be yellow. The ammonia will burn the gills of the fish causing damage and may lead to other diseases like ich. 3 Sample size Large Data quality High Observations. Even though the zebra danio is considered easy to keep, there are some things to consider to give it the best possible quality of life in an aquarium. A long tank is preferable for this fish, since it is very active and likes chasing its tankmates. Hailing from India, Bangladesh, and Pakistan, the zebra danio is one of the smaller species. Transgenic form prefers warmer water — about 28°C. The fish is not demanding it eats all types of live, frozen or artificial food. Because of their hardiness, many will use them to cycle their new tanks. Common Names: Striped danio, zebra danio, zebrafish. This gives you pl… A perennial favorite of freshwater enthusiasts, Danio rerio is either silver or gold with five uniform blue/purple stripes that stretch horizontally from the gill to the end of the tail. It is possible to tell between the male and female only for adult species. If the sex is important for you, you must buy only the adult species. There is a pair of downward tiny barbels in the corners of the mouth. However, some live up to 5.5 years. The Zebra Danio boasts an instantly recognizable striped, zebra pattern. On average Zebrafish have a lifespan of three and a half years (3.5years). Common Name: Zebra danio or zebrafish. If you put the guppy lifespan and the zebra danio life span together, you get 3-5 years (and 6 at the most). Use a small volume with a glass bottom as a spawning tank. If your spawning tank is big enough, you surely can put several couples there. Zebra danio inhabits in rivers, channels, ponds, rivers. Young species are not formed completely, so both males and females are very much alike. You will have to put the couple separately from each other, make the tank water temperature higher and feed intensively. In a week or two you should put them together to perform spawning one more time. Therefore, to prevent your pet’s death the tank should be always covered with a lid. Danio Lifespan In the wild, zebrafish are considered an annual species and generally only live for about a year. They are very hardy, attractive to look at and they usually do well in groups of 6 or more. If you stay on top of your water changes, provide high-quality food sources, and maintain a healthy school, you might eke out 5.5 years. If you’re interested in breeding these fish, you’re in luck – they are one of the easiest freshwater fish species to breed. This is a perfect fish for a community tank. The DNA has DNA paragraphs of a jellyfish (Aequorea Victoria) and a red coral (from Discosoma kind). You may get the offspring from just a couple, though as experience showed, in this case the eggs are not fertilized enough. For zebra danio to feel good it is desirable to renew up to 15% of total water amount with fresh water every week and control the water hardness and acidity. All these fishes were bred using genetic engineering by means of recombinant DNA taken from various sea corals. The zebrafish (Danio rerio) is a freshwater fish belonging to the minnow family of the order Cypriniformes.Native to South Asia, it is a popular aquarium fish, frequently sold under the trade name zebra danio (and thus often called a "tropical fish" although both tropical and subtropical).. Danio rerio is the first pet that was genetically modified with dioluminescence genes in 2003. But when well cared for, you can expect your … Transgenic fidh differ from their initial species by the body coloring. It was observed, that danio easily spawns both when the temperature is 25 °C and 17 °C. That’s why most of aquarists tend to use 2 males and 1 female for spawning. The stripes on the female bodies are paler and less visible, while the males are brightly colored and opalescent. After the rain season the fish gets back into riv… The adult species in large number can be encountered in puddles appeared during dry season and in flooded rice fields, where the fish feeds and spawns. 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