I've raised danio fry several times. Is it possible that this fry will be a super tiny runt forever and never grow? Unexpected fry in your fish tank? He eats well, swims & plays , so I don't worry about him. lol). - One thing I have noticed that I don't think I've ever seen mentioned online when it comes to sexing danios is that ALL of my females have a tiny little "fin" where the ***** (I guess) is. Zebrafish fry need warmer temperatures than adults. I got them when they were both about 1.5" long. They are very fast fish. One, because even first bites are too big for zebra danio fry. It's just the way that DNA is, it has a mind of its own. Over the sides of the body run 5 to 7 stripes. Tank Requirements for Zebra Danio. So for the Danio-lovers, in this article, I will come up with a complete Zebra Danios care guide. (I have had 75+ adult danios in a 20 US gallon tank for over a year. Search for: Categories. danios need 10gal plus because of their fast speed and amount of movement. A Zebra Danio. Importantly, they’re also a social species that enjoys interaction with other fish and breed rapidly. , I'm hijacking your thread now .. Culturing Brine Shrimp . Breeding the Zebra Danio Zebra danios are ideal for beginners as they are prolific breeders, and interestingly, mated pairs remain together for life and rarely spawn with others, even if a mate dies. But I realized they are in fact long finned Zebra Danio fry. it would have died first. Discussion Starter • #1 • Nov 25, 2010. Oh and the First Bites looks like normal flake food that has been ground up into a fine powder. I don't want to keep the runt in the tank with its brothers and sisters since the siblings have already grown to be quite large and do chase the runt and try to eat it, eventually the siblings will grow big enough to be able to fit the runt in their mouths so I want to separate the runt before that happens. Anyway, there is a butt load in his tank and I couldn't get them out; they are so tiny and fast! The zebra danio has a reputation as one of the easiest fish to breed in the hobby, and they can be a great way for a beginner to experience breeding fish for the first time. Excerpt from ZFIN / Generl Information / ZF Book / Chapter 3 - Embrtonic and Larval Culture / A Simple Method for Raising Babies: “The best temperature for growth and staging is 28.5°C [83.3F], but embryos survive temperatures between 24°C and 33°C [75.2-91.4F].”, A link to the specific chapter: http://zfin.org/zf_info/zfbook/chapt3/3.1.html. Hopefully he'll grow a little bit more and then I can safely put him back in the tank with his family. Zebra Danio is probably the easiest freshwater aquarium fish to keep, thus very much suitable for beginners. Sometimes the runt just doesn't grow like his sister and brothers. Last night while I was feeding my Zebra Danio's I noticed something extremely small was swimming in a Vertical position at the top of the tank. 10 gallon tank cyc... My female guppy has a fry, or what i think is a fry, stuck. I don't think the filter killed the danio. A few days later, the fry begin to swim. It is logical that there would be a genetic anomaly where one fish fry doesn't grow but I have never experienced this before. On closer inspection it had a dark (what I assume head) & a silvery body. Another option is to mash up a little bit of egg yolk in a few drops of water. The slender zebra danio males are torpedo-shaped and usually have subtle golden stripes between the zebra-stripes on their bodies. I separated the runt and put him in his own tank and try and feed him several times a day to get him to grow but I think he might just be a midget (or whatever the politically correct term for small fish is) danio! The runt is apparently eating though because it's stomach is super fat. I am assuming the live plants I put in the grow out tank had enough micro-organisms to feed the fry for the couple of weeks it took before they realized they could eat the First Bites powder. Etymology. I just got glo fish myself and are preparing to breed them .. I have approx 200 zebra danio fry in a tank on there own. I made the yarn , I got the mesh and marbles I'm getting a new tank in this week and I have a smallish tank that I'll use for breeding and then I have my community tank , I tried it out today to see which would work best for me before I get my new tank and the mesh and yarn just didn't work out lol .. Since danios are shoaling fish I agree that the runt would be happier in a tank where it could see its siblings. Hailing from India, Bangladesh, and Pakistan, the zebra danio is one of the smaller species. Will it ever get bigger? Report. when is ikay to put a filter in there with them. When the Zebra Danio eggs hatch, the fry, (baby fish), will cling to the side of the tank and eat their yolk saks. I think if you could culture some Infusoria at home this would be better food for the newborn fry since it moves and is tiny enough for them to eat. The other issue with newborn danios is I think instinctively they are looking for food that moves. With its attractively striped, black and white zebra-patterned body, these fish are easy to recognize. I fear he died of stress or just plain died because he wasn't growing and was the weak runt of the group. I raised them from fry in a much smaller tank. You should try to feed pinch-size food in a three minutes gap twice a day. Last night I caught the runt in a clear plastic cup (the runt is so small it was able to swim out of the net) and poked pin holes in the cup so there's a little bit of water exchange in theory. Zebra Danios must be kept in groups of 6 or more, due to their shoaling nature, and are often employed as ‘dither fish’; indeed their active nature helps to encourage more reclusive fish to venture out into the open. In terms of filtration, Zebra Danios are not demanding at all. A midget Danio, too funny! Browse more videos. Failure to provide this will result in fry deaths, as well as significant growth abnormalities, including spinal deformations. 15 of the fry are doing well and growing and "gloing" nicely. That way he's still in the big tank and can sense his brothers and sisters are nearby. Aquarium keepers love them for their peaceful, soothing nature. Newly hatched danios are tiny, tiny, tiny as you will see (or not see if you don't have excellent vision) and I don't think the First Bites powder is small enough for their tiny mouths. Zebra Danios will thrive in waters that are consistently between 65 and 77 degrees Fahrenheit, and they prefer soft to medium hard waters with a pH of 6.5 to 7.2. Danio kyathit has an elongated body with a yellow to orange colourations. Here's a video of the baby danios at four weeks: 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. The stripes can either be dotted or normal full lines. Large adults seldom exceed 2 inches in length. The feeling's mutual. 20 gallon tank my zebra ... Growth and Development of Bolivian Ram Fry. Source(s): https://owly.im/a8qGe. It really wasn’t that hard since several club members helped me out by answering my many questions (Thanks!). at the moment they are not swimming and i have a small air brick in there. It seems to take weeks for them to "learn" that this non-moving powder is food. Hi guys. Philip Danniel. Leave a Comment Cancel reply. And with a hardy nature, they’re the perfect fish for every level of the aquarist. This is very different than the four horizontal stripes which identify the zebra danio. This danio is a good first fish for beginners to the tropical fish hobby because of their tolerance of a wide range of water parameters. Keep the water warm, in the range of 77 to 82 degrees Fahrenheit (25 to 28 degrees Celsius), with a pH of 7.0 or below. There were at one time, the same size. Are betta fish and zebra danios compatible? I did not get hundreds like you, but I had a lot. My fish have always spawned inside their tank. Yes, he/she is small but still looks healthy. - You can try the marble method. When they finish those, they will begin free swimming. Plus I am kinda interested to see what happens-- does this fish just stay a tiny runt forever? It's also taken longer for the smaller one to even reach the size that he is while his brother grew to 4" rather quickly! So, you should avoid keeping zebra danios with aggressive fish. He doesn't look sick, just small. Body coloration in the wild-type zebra danio is silvery white, striped in black to deep metallic bluish longitudinal bars. Growth rate is not that fast and 2.5 gallons is enough for a long time, your main concern is keeping temperature up and water quality high. The area between thes… Zebra Danio Stats Minimum Tank Size: 5 Gallon (10 Gallon Recommended) Care Level: Very Easy Water Conditions: pH 6.5-7.2 and Soft to Medium Hard Temperature: 65-77 °F (18-25 °C) Maximum Size: 2.5 inches (6 cm) The zebra danio (Danio rerio) is one of the most iconic fish in the aquarium hobby, and many people have owned this interesting fish at some point in their lives. They also have a prominent genital papilla, or folded tube, right in front of their anal fin. The breeding was TOO easy! Join Yahoo Answers and get 100 points today. ), Zebrafish are used extensively in research so there is a lot of info available. But I don't think living in an 8 ounce cup is going to help the runt grow, but I can't put the runt in a breeder net because it is still so small it would be able to escape through the holes in the net. The Zebra Danio boasts an instantly recognizable striped, zebra pattern. He was so small he slipped through the vents of the isolation tank I put him in and then I put him in an isolation tank with no holes or vents and he just laid on the bottom of it so I thought maybe he was stressed so I put him back into the tank with his siblings and I saw him swimming around for a while but eventually I saw him go down into the gravel (either to rest or hide) and I never saw him again. I will try to get a pic of some of my full grown females to better illustrate what I mean. Zebra danios (Danio rerio) make for popular tank additions from the Cyprinidae family. After you introduce the danios to the tank, feed them a variety of food, such as fish flakes, brine shrimp, and blood worms. They occasionally spawn in public aquariums, but it is uncommon for any fry to live. With the exception of the runt I have yet to have one fry die. I think I might move the runt to its own 2.5 gallon grow out tank and see if that helps it to grow. If he pushes his way to eat, then I wouldn't worry too much. Like you said it looks fine just really really small. Awww .. That's so sad .. Well at least u cared enough to do everything u could to give him a fighting chance .. That makes me happy hehe .. Breeding the Emerald Dwarf Danio. Before I had chance to get something to transfer whatever it was into, it had disappeared. goo.gl/photos/wTxx1qvYKiP4gqX8A. or cleaner water. I will update this post with pics and developments if this fish ever decides to grow, but I think I have a genetic anomaly on my hands here since this runt is almost 5 weeks old now and it looks like what the other fish looked like at one week! I don't just want to let it die. 12 Posts . A breeding pair should be placed in a breeding aquarium with fine-leaved plants for them to spawn over. You don't need to make hanging mops out of yarn or do anything really. I managed to raise zebra danio myself. Golden and Long-finned varieties are sometimes available, and from time to time, imports of stunning wild-caught specimens are seen. Watch to see that he gets to eat and isn't pushed away from the food by his bigger tank mates. Lv 4. We know more about laboratory Danio rerio than wild strains. Kuhli Loach. I had to use a cup to scoop him out. 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