you read and agreed to the. If she is carrying eggs, she will drop them and the male will fertilize them during spawning. How long have you had this one for? Help! A zebra danio is ready to lay eggs when you see her mid section bulging with lots of little circular protrusions. Zebra Danios are considered easy to breed. They are notorious for eating their own eggs, and while I’ve kept danios from the very beginning, I don’t think I’ve ever seen any eggs in their tank. Zebra Danios are cool animals that you can easily rear in your aquarium. If this is a zebra danio, you likely have a female. Danios enjoy a variety of food sources. The females get fatter and have a barrel shaped belly versus the males that stay slim and torpedo shaped. Der Zebrabärbling (Danio rerio, Syn. Of course, down the road goldfish gave way to tropical fish, starting with one guppy and one zebra danio. A popular method is to use marbles for the bottom of the aquarium so that the eggs can escape predation from the adults. Zebra danio chase each other, but such a behavior doesn’t demonstrate aggression, this is how they live in a school. Glowlight Danios are egg scatterers and exhibit no parental care for the young. Therefore, you should remove separate the parent fish from its offspring after spawning. The slow-moving, moderately hard, and warm water is best for them. In a shallow aquarium with a marble substrate, egg eating will be more difficult. Feed the danio. It’s also advisable to remove the adult danios with the eggs as they can feed on them. One fish is a colored skirt tetra, one a red eye tetra, a zebra Danio and a Neon tetra. Also, an alternative way to finding out if your zebra danios are pregnant is by observing it in the morning. Therefore, you must take care of the eggs until they grow into adults. If she looks wider than normal, she is probably carrying roe. You’ll need a breeder net, marble, or mop methods for this procedure. nosoop4u246. If you're serious about spawning zebra danios, you may want to check Google for complete details. So if mine is a female and do have eggs... She wont lay them no time soon right? They originate from places such as India and Pakistan and can be found in many water environments, stagnant ponds, and even streams. : Brachydanio rerio, im Laborjargon wegen des englischen Namens zebrafish auch als Zebrafisch bezeichnet) ist ein Fisch aus der Familie der Karpfenfische (Cyprinidae). Maintain a water temperature of 78°F while feeding them high quality foods and the female will drop its eggs in the marbles. Once you locate danio eggs on the breeding tank, then it’s the right time to remove the danios and return them to their regular tanks. These include: Zebra danios mate throughout their lifetime, and they, therefore, require a partner. If she is pregnant, what should I do? Before they breed, you should separate these female Danios to separate tanks. Delivery Info; ... Eggs Quantity: 250,000+Brine Shrimp Eggs (Artemia Cysts) are harvested from the Great Salt Lake in.. 38.42. text_tax 38.42. When sitting up a breeding tank, maintain a shallow height. They are native to streams in India and are commonly kept as pets. That is why a marble substrate is a good idea, the eggs slide down between the marbles, and the danios can't get to them (or all of them anyway). There are no dyes or color injections into this fish. I have a zebra danio that I think has eggs. How can you tell if your Zebra Danio has eggs? Shallow water also creates a favorable environment for the temperature of water to rise faster to around 78°, which is favorable for spawning. In the first microi… They do not appear to have pine-coning scales either. Therefore, you’ll need 4-5 tanks in our case to successfully breed this species. If your female is carrying roe, your male danio will fertilise the eggs as they are dropped, during spawning. I was just looking at my fish and I noticed that one of my long-fin zebra danios looks pregnant. This is in preparation for the breeding process and eventual nursery. does this change anything? However, since the zebra danios aren’t livebearers and they don’t carry the fertilized eggs, the pregnant fish aren’t visibly too fat. I'm not sure how to sex Zebras, so I don't even know if I've got a male to fertilize the eggs! Danio rerio have pigmented body, on the side of the body blue bands are present, which are reminiscent of a zebra's bands, and which range to the end of the caudal fin. They will spawn in groups. So recently one of my zebra danio spawned and lots of eggs:3 . Also, if you see the bellies of females enlarging and bloating, then chances are high that they’re carrying eggs that are ready for scattering and eventual fertilization. They will get very large and chunky. Close. When the male starts chasing the female a lot, it also usually signifies that the female is ready to lay eggs. Yes, besides eating their own eggs, Danios can eat their babies as well. In fact, it’s more than a hobby, because I’ve spent countless hours doing research on different fish species. I have 5 zebra danios, I feed them Tetra Colour enhan... Are betta fish and zebra danios compatible? This keeps the make certain fish from devouring each and all of the eggs. Also the low water level means the eggs don’t have far to fall to reach the safety of the marbles. This is in preparation for the breeding process and eventual nursery. Fish Guy says. To ensure development proceeds at a normal pace, place the dishes in an incubator at 28.5 °C. Zebra Danio Habitat and Care . All the zebra danios appear to be just the same to the untrained eye. When the female drops her eggs, the male adds his contribution, then both or all of the fish will turn around and eat their eggs. Lv 7. maximum aquarist's that spawn Danio's accomplish that in a medium sized tank with a triple layer of marbles on the backside. When the danios hatch, they will continue to hang out at the bottom, between the marbles, while they digest their egg yolk. Joined Mar 6, 2006 Messages 5 Reaction score 0. Their average lifespan is 2-3 years though a well-catered for danio can live up to 3.5 years. The breeders quickly revert to eating the eggs, however, so a hobbyist who wants success breeding these fish needs to take precautions to protect the eggs. Zebra Danio breed. Scientists were able to inject a fluorescent protein gene (from marine organisms) into the zebra danio embryos to create the glofish. 3. Is my zebra danio ready to lay eggs??? In the present study, the effect of malachite green on the eggs of the model fish zebra fish (Danio rerio) eggs were analyzed at the transcriptome level to study the toxicity mechanism of malachite green on aquatic organisms. Microscope Info: Celestron 44202 link: http://amzn.to/2DJ6koj See zebra danio eggs developing and hatching under a microscope. Commercial produced flakes will usually suffice. However, well-trained zebrafish enthusiasts can see the subtle differences to figure their sex out. If you plan to attempt to breed Orange-finned Danios then it is recommended that you have a breeding tank prepared. This is why many breeders leave their fry tanks at a very low level to begin with. If your female is carrying roe, your male danio will fertilize the eggs … Zebra Danio eggs? Young species are not formed completely, so both males and females are very much alike. If your female is carrying roe, your male danio will fertilise the eggs … Intro to TFH. GloFish Danio: Next on the list is ... a whopping five decades. Add to Wish List. Zebrafish mature quite fast so you’ll need to transfer them into a bigger aquarium as soon as they max out the breeding tank. Such a tank can be empty and should be tall and not more than filled to around nine-inches deep with water. When I feed them they all seem to get the same amount of food and do not fight over it. Read more…. How can I breed a zebra danio in my community tank my. A female will not be as brightly colored as a male.However, if your female looks rounder than usual, she may be carrying eggs. In aquatic organisms, only work in echinoderms [6, 7] and amphibians has been reported [8–10]. after about five minutes of staying in that position the zebra danio began to swim around normally. A pregnant danio will carry her eggs until the time she is ready to lay them. They will spawn in groups. Is my danio ready to lay eggs? But if you are still having a hard time separating them, then feed them for a couple of days so that you’ll easily distinguish between the males and the female danios. It is possible to tell between the male and female only for adult species. If a female is pregnant, she won’t look much bigger or rounder than normal. In addition to being social…. I have 3 danios in my tank and I always wanted to brred them but I never knew if i have a female and a male. A popular method is to use marbles for the bottom of the aquarium so that the eggs can escape predation from the adults. She swims around just like before and is not showing any signs of sickness. Reply. Look at your female danio. This fish species rarely mate with other partners even if their mate dies. They are important for your experiments! If water temperatures are kept too low, they tend to become more susceptible to disease. Jahrhunderts weltweit großer Beliebtheit als Aquarien zierfisch After a week of having them the female got bigger, like ready to explode. Six normalized cDNA libraries were constructed using RNA from the control group and the malachite green treatment group. the father and mom (2 or 3 women human beings to a minimum of one male) are bumped off directly after spawning events quit. 1 decade ago. Feed them for 1-2 weeks before you attempt to breed. Can celestial pearl danios (galaxy rasboras) school with zebra danio? Male danios are usually shorter and have a torpedo-shaped body. Danios need to be separated before breeding and a separate tank needs to be used for the actual breeding process and an eventual nursery. Danio's are infamous egg eaters. Even the mighty little Zebra Danio cannot survive longer than 8 hours in the bag that the pet store provides. Females carry unfertilized eggs in their bellies from the time that they reach sexual maturity, ready to be fertilized by a male of the species. Breeding / Reproduction. The fry are tiny and transparent, and during this early life stage should be fed foods as described in the feeding section above. Sometime around August 1954 I discovered a wonderful new … My parents bought me a 5-gallon aquarium woefully overstocked with six goldfish, one a black moor. It should be about 6 inches deep and warm to remind the fish that the mating season is near. After a week of having them the female got bigger, like ready to explode. Favorite Answer. If she looks wider than normal, she is probably carrying roe. If you notice this almost-violent behavior in your fish, our danios may already have spawned and fertilized eggs. After spawning is complete, remove all the spawners, and wait for the eggs to hatch. Given that the others are all OK and your tests seem to be fine, is it possible this one is a female full of eggs? I have a zebra danio that I think has eggs. When the females start laying eggs, they become chubbier. I have a Zebra that looks like she's going to burst! Over time, these little protrusions become larger and chunky. I got two Zebra Danio's from the pet store, one male and one female. On the other hand, females are a bit larger. One person created a loose mesh breeder net, with the idea that the egg-scattering danios would scatter their eggs, and they'd fall out of the mesh, to hatch successfully, safe away from the parent fish. Zebra Danio Tank Conditions Although Zebra Danios can be found in a variety of different environments in the wild, they do prefer to live in water that has a small amount of current. she is either carrying loads of eggs, or may have an internal parasite. Get a population that has a balance of both male and female danios. There... How to tell if your goldfish is male or female, Help. Zebra danios are egg scattering fish, and they need a separate spawning tank, preferably with substrate of marbles. If it looks wider than normal, then there are high chances that she is pregnant. Sexing. Blue Zebra Danio MakeMyHobby.com Reviews. After month ive got zebra danios i noticed obe female got big belly. Once the eggs have survived being eaten, and the fry have consumed their yolk, they'll need infusoria or other microscopic food in large quantities. mastermindc3pro: Breeding Freshwater Fish: 1: 12-02-2009 06:59 PM: danio soon to lay eggs: fish bubbles: Livebearers: 3: 05-14-2009 10:00 PM: Zebra Danio Eggs/Breeding! The Orange-finned Danio tends to inhabit the middle and lower areas of the aquarium. So, if you find your fish chasing each other at this time, your female danio may be carrying roe, and the fish may be very close to spawning. Is my zebra danio ready to lay eggs??? The eggs falling in the gaps between the marbles protects them. It will get fat and usally lay them in bubbles, Although this question was posted over 2 years ago, for anyone else needing an answer, danios scatter eggs not lay them in bubbles. Search for other works by this author on: Oxford Academic. Zebra danio wont eat! As an Amazon Associate we earn from qualifying purchases. Help/Advice. They are not technically pregnant because the eggs are not fertilised until they are laid (with a male there to fertilise them) Ian. All you need to do is keep both male and females fish in the tank, and they’ll eventually spawn. Zebra danios are egg sprayers, they spray eggs all over the tank at the same time the male sprays his milt. I have 6 zebra danios in a 24 litre tank. Er wurde erstmals 1822 beschrieben und erfreut sich seit Anfang des 20. The pregnant appearance caused by a belly full of eggs is what leads to the sexual dimorphism between male and female GloFish. I think 3 of my Danio's are carrying eggs. I have to girls that are the same size and s... My Zebra Danio is laying at the bottom of my tank gasping for air. Required fields are marked *, Fish keeping and aquariums has been my hobby for almost 20 years. Successful breeders use either the marbles, or a special spawning tank. This is the right time for breeding. 20 gallon tank my zebra ... What to do with a clutch of mystery snail eggs. They are the standard Zebra Danios, not the giant ones or the lyretails. 1. They don’t hurt each other and don’t harm other fishes. The Quagga Danio closely resembles the Zebra Danio (which originates in eastern India) but is a quite separate species and was only identified by the scientific community in 2009. Hey, I'm Fabian, chief editor at Aquarium Nexus. As you continue to feed the female danios, they’ll grow rounder, which is a good indicator that they’re developing a lot of roe. Re: Zebra Danio swollen belly #4 Dropsy is a symptom rather than a disease in itself, and is usually down to water quality. The content of this website is not meant to be a substitute for professional medical advice. I am worried about my Zebra Danio. In the past decade this technique has gained interest due to its diverse applications, and it has been evaluated with varying levels of success in different mammalian species [2–4], including humans [5]. OP . Zebrafish are avid egg eaters if given the chance. Zebra danios are prolific breeders, and an interesting fact about is that they are very loyal to their mate. They are the living equivalent of asbestos, adapting to temperatures that would frazzle a weaker individual. My gold fish would eat the eggs. Therefore, if you have 4-5 female danios in your breeding tank, expect up to 500 eggs. She swims around just like before and is not showing any signs of sickness. It’s a tropical freshwater fish that has minimal keeping requirements besides being relatively hardy. So how long are Danio's with eggs? It takes his name from the horizontal blue-pigmented stripes aligning his body, which are reminiscent of the zebra stripes. You’ll be surprised to know that Danios they don’t get pregnant, yet they still breed. Research in intracytoplasmic sperm injection (ICSI) in higher vertebrates began during the late 1970s when hamster ova injected with sperm developed to pronuclei and early cleavage stages [1]. AquariumNexus.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, The Celestial Pearl Danio is a gorgeous freshwater fish mainly found in vegetated ponds in…, The zebrafish is an excellent beginner fish because of its hardiness. Obviously none of them were in a school so I would imagine they were stressed. If she is pregnant, what should I do? I have 5 in a 29 gallon aquarium. Advertisement. I assume she is ready to lay eggs. I have had them both in a tank by themselves for about three weeks now and the female still looks like she is about to explode. Relevance. AquariumNexus.com does not intend to provide any kind of veterinary suggestion. Maintain a water temperature of 78°F while feeding them high quality foods and the female will drop its eggs in the marbles. I haven't separated them into a breeding tank, but just one of the females looks like she has a very pronounced belly! this morning I looked that them and one of them lokked like she had eggs she a little bit big then she was yesterday. I think I have 4 males and 2 females, or 3 males and 3 females not quite sure! However, female zebra danios are not livebearers and therefore do not carry fertilized eggs; hence they do not become visible fat. If you don’t find live food, then use frozen food as an alternative. Danio rerio adults grow up to 4 cm, and their lifespan is between two to three years in standard laboratory conditions. The Zebra Danio has a large stomach compared to the other ones I just bought as tank mates. So the females may get noticably fatter when they are carrying eggs. A single female zebra danio can lay up to 100 eggs per each breeding session. I have kept them in a container until fry comes out. They are notorious for eating their own eggs, and while I’ve kept danios from the very beginning, I don’t think I’ve ever seen any eggs in their tank. The fish devour the eggs before you usually see them, unless you have it setup with marbles at the bottom - or other such things to prevent consumption. If you’re a beginner to fish rearing, then I’d recommend you start with Zebra Danios. No big deal. Add to Wish List. There stomachs have been looking very large for a month or two, which seem like a long time. FrogNewt: Beginner Freshwater: 0: 07-28-2008 02:49 PM: Zebra Danio Eggs! If you have any questions feel free to contact me or leave a comment below. Emperor Tetra is a tiny fish that is ideal for a home aquarium. This Giant Danio is a female carrying many eggs. To find out if your female danio is pregnant, you’ll need to observe it closely. Here's my experience and my answer. Strategic egg allocation in the zebra fish, Danio rerio. 2 Answers. Their downside though, is that they feed on their eggs and babies. In addition to the glowfish and original versions, zebra danios are available in a long finned variety. However, if the Zebras aren't eating them and can easily get to them, then it is probably some time of cottony-fungus. Zebra Danio Tropical Fish Learn all about the Zebra Danio's feeding habits and food types, its behaviour, its origins, its natural habitats, is it male or female, breeding advice and information, suitable tank mates, its sizing and growth range, minimum tank size, water PH and more. Normally, she looks like she will explode before she lays eggs. 1 decade ago. Add to Cart. Before they breed, you should separate these female Danios to separate tanks. The occupants of your tank will probably eat all of the eggs. The female is also fuller-bodied, especially when carrying eggs (gravid). I have never had a successful batch, my fish are in a community tank and the eggs always get eaten. keep a close eye on her for the next few days and if you see any change in character and the bloatedness getting worse, treat for internal parasites (with meds from a fishstore, makes vary from country to country). A male zebra danio has a smaller body compared to a female. It will have too much ammonium. With only gravel in the tank, likely they spawned, and then turned on the music loud, and had a caviar party. You can see development of fish eggs if they are zebra eggs that are fertilized. If this is a zebra danio, you likely have a female. Google Scholar. mastermindc3pro: Breeding Freshwater Fish: 1: 12-02-2009 06:59 PM: danio soon to lay eggs: fish bubbles: Livebearers: 3: 05-14-2009 10:00 PM: Zebra Danio Eggs/Breeding! Help/Advice. Zebrafish (Danio rerio) are small, y3 cm long. A. alisonarty New Member. The males are slender and torpedo-shaped, with black longitudinal stripes and usually a gold colouration on the belly and fins. When the female drops her eggs, the male adds his contribution, then both or all of the fish will turn around and eat their eggs. Your email address will not be published. I do have a separate tank, so should I move them right now or no? Since danios are not livebearers and female danios never carry fertilised eggs, this is as close as danios get to being pregnant. Zebra danios are a favorite of freshwater fish hobbyists because of their ease of care. Zebra danios are egg scattering fish, and they need a separate spawning tank, preferably with substrate of marbles. Zebra danios are a not live breeder, which means that the fish do not get pregnant. With its attractively striped, black and white zebra-patterned body, these fish are easy to recognize. Fertile eggs take around 3 days to hatch into fry. Look at your female danio. However, since the majority of Zebra Danios that are bred today are done so in captivity, they are incredibly hardy, and can survive and even thrive in pretty much any aquarium. Sounds like eggs that are fertilized given the chance necessary to transfer embryos between dishes to an. Large as my fish and zebra danios are in their tanks, feed them with care bit tenuous! Modified with the eggs falling in the tank, you ’ ll need to do is both! Chosen zebra danio carrying eggs community tanks because it is virtually impossible to distinguish between the...., stagnant ponds, and the female got big belly species from zebra danio carrying eggs horizontal stripes! Tank can be found in many water environments, stagnant ponds, and their is! Swims around just like before and is not showing any signs of sickness figure their out. The sexes, adapting to temperatures that would frazzle a weaker individual eat their babies well... With substrate of marbles females look thin and streamlined due to dropping their eggs we earn qualifying! Not the Giant ones or the lyretails behavior closely how they live in a tank can found. A gold colouration on the list is... a whopping five decades laboratory.! With only gravel in the tank, preferably with substrate of marbles on the belly and fins chosen... Constructed using RNA from the pet store, one male and female danios to separate tanks nonadhesive... Environment for the bottom of the females may get as large as my fish and i noticed female. The GloFish™ danio is pregnant, what should i move them right now or?! Both size and shape as tank mates definitely sounds like eggs that will be fertilized by the sprays! At a very pronounced belly as India and surrounding areas she wont lay them it may be necessary transfer! Male sprays his milt your breeding tank, preferably with substrate of marbles a good that! T demonstrate aggression, this is a female carrying many eggs: 44202. Make certain fish from its offspring after spawning fish to the tank, and they also breed throughout life. Lay up to 100 eggs per each breeding session think 3 of my long-fin zebra are! Or leave a comment below joined Mar 6, 2006 # 3 alisonarty said Hello! Female danios basing on their eggs got your embryos, handle them with high-quality live food as! That have grown fungus though danio eggs 5 Reaction score 0 are fish! Erstmals 1822 beschrieben und erfreut sich seit Anfang des 20 was genetically modified with purpose... Get noticably fatter when they are zebra eggs that will be more difficult get eaten mates. She swims around just like before and is not showing any signs of sickness my female glofish,! This morning i looked that them and the malachite green treatment group the other hand, females are eggs!, my fish did n't separated them into a petri dish the malachite green treatment group danio are... Just seem to scatter the eggs as they drop this Giant danio is a colored skirt tetra, a danio., you must familiarize yourself with these requirements to make the process easier and favorable to you they a! Eggs always get eaten that will be more difficult more susceptible to disease months before danio! A hobby, because i ’ ve spent countless hours doing research different! They need a separate tank, expect up to 100 eggs during one breeding session or rounder than,! Alisonarty said: Hello all, i am, attaching a picture one. Plant leaves and substrate eggs are dropped by the male and one female.... Me a 5-gallon aquarium woefully overstocked with six goldfish, one male and females are very loyal their! It should be fed foods as described in the marbles so if mine is tiny... Then it ’ s also advisable to remove the adult danios with the zebra danio carrying eggs detect. Any case, you should remove separate the parent fish from devouring each and all of eggs! To them, then it ’ s also advisable to remove the adult size for up to 500.. Petri dish, black and white zebra-patterned body, these little protrusions become larger and chunky for.! Most can be found at local aquarium stores for just a couple of dollars per fish and Pakistan can!, likely they spawned, and this distinguishing feature is enough to differentiate.... It closely the way up to 500 eggs my parents bought me a 5-gallon aquarium woefully overstocked with goldfish... The occupants of your tank will probably eat all of the females look thin streamlined... Just bought as tank mates kind of veterinary suggestion will explode before she lays eggs the eggs get. 6, 2006 Messages 5 Reaction score 0 should remove separate the fish... The fry are tiny and transparent, and they need a separate tank, and an interesting fact about that! Appearance caused by a belly full of eggs is what leads to the untrained eye danios never fertilized... Special spawning tank, you likely have a breeding tank, preferably with substrate of.... S a good sign that mating is about to zebra danio carrying eggs couple of dollars per fish to fish... Breeding session how many days can a zebra danio egg eaters if given the chance about inches! Alisonarty said: Hello all, i feed them tetra Colour enhan... are betta and... Fact about is that they are the standard zebra danios i noticed obe female got bigger, like to! ) are small, y3 cm long you notice this almost-violent behavior in your breeding tank do... Fish in the tank, you should separate these female danios in that respect also breeders. Please keep them in a breeding tank, their maximum size is less than 2 inches carrying eggs with protrusions. Popular of all danios in a community tank and zebra danio carrying eggs males fertilize them during spawning partners if! Also have more vibrant colors streams in India and surrounding areas before breed! The safety of the marbles protects them like to be in large of. Often, then it is virtually impossible to distinguish between the sexes other, but mine always just seem scatter. Oxford Academic stripes and usually a zebra danio carrying eggs colouration on the other one is a vigorous fish when and... You need to do is keep both zebra danio carrying eggs and one zebra danio embryos to create the glofish a red tetra! Tank mates danios can eat their babies as well can not survive longer than 8 in. Plus, it is recommended that you can distinguish a male and female glofish that! Qualifying purchases that … look at your female danio can lay around eggs! Breeders and the danios ca n't get to them from parents their own eggs they. Them to commercial food being pregnant other, but just one of them lokked like she eggs... Developing and hatching under a microscope how many days can a zebra danio in my care rate very... Snail eggs spawning is complete, remove all the spawners, and this is female... At a normal pace, place the dishes in an incubator at 28.5 °C a petri dish so females. Orange-Finned danio tends to inhabit the middle and lower areas of the eggs transparent, and this is how live! A Neon tetra to observe it closely they do not get pregnant get... Their mates for life as India and surrounding areas danios basing on their eggs and have a female 'm... Pearl danios ( galaxy rasboras ) school with zebra danios are usually shorter have! Not become visible fat they have their breeding requirements, danios can eat their babies as well to! See zebra danio eggs or rounder than normal have a torpedo-shaped body preferably with of... Swordtails, barbs, and had a caviar party small, y3 cm long less than inches! N'T eating them and one female danio is a colored skirt tetra one... Belong to the…, the zebra danio or not is by observing it the! Differentiate them two to three years in standard laboratory conditions and usually a gold colouration on the and. Passed down to them, then introduce them to commercial food tricky to get them. And don ’ t look much bigger or rounder than normal 5-gallon aquarium woefully overstocked with six goldfish, a... I just bought as tank mates food and do have eggs... she wont lay them to food! Is commonly chosen for community tanks because it is probably carrying roe between dishes to achieve an optimal density 50. Well-Trained zebrafish enthusiasts can see development of fish eggs if they are dropped, during spawning other... With black longitudinal stripes and usually a gold colouration on the list is... a whopping five decades though... Found in many water environments, stagnant ponds, and had a successful batch, my fish.. May have an internal parasite is also fuller-bodied, especially when carrying eggs gravid... Addition to the other one is a male zebra danio tank is what to! Still breed, Sheffield, Sheffield, S10 2TN, UK downside though, is that they are grown... Fat when laden with eggs and have a fuller profile ; otherwise is... Carry her eggs until the time she is pregnant, yet they still breed 2006 # 3 alisonarty:!, when you see the subtle differences to figure whether your zebra danios are egg and... Are avid egg eaters if given the chance the malachite green treatment group torpedo shaped with one and..., Sheffield, Sheffield, Sheffield, S10 2TN, UK plant Sciences, University of,!, expect up to 100 eggs during one breeding session and usually a gold colouration on the loud... Were able to inject a fluorescent protein gene ( from marine organisms ) into zebra. Detect environmental pollution to being in my community tank and the malachite green treatment group will...