If multiple fish died shortly after a water change, then they must be in shock. Since fishes have no body heat, they are sensitive to sudden changes in water temperature. Thought it may be the fireworks Any on any ideas pleased. I lifted one of my rocks up to find him dead.. As mentioned earlier, fish can die to a sudden change in the water. She is friendly, because we hand raised her. It is for biological filtration. Solution: You must “acclimate” the fish slowly to give them time to adapt to the new water. Fish have very different diet requirements. I have seen on some sights that I maybe should change 10% of water per week making sure I remove chlorine and ammonia.Do you have any suggestions, Lost a fish 2 weeks ago now and just looked in pond 2 more dying they no spots on them, Hi just changed the water 2/3rds of the pond this January because fish were gasping for air and I’m starting to lose now my young fish and some older fish about 4 to 7 fish a day pond is about 6ft x 15ft x 4ft deep just used tap water which iv used in the past any suggestions please thanks Dieter, We have a pond in this house a year we had ,had nothing but problems we brought our fish from our other pond but now everytime we change the water, or weather rain our loi are dying we done ph things we feed well they are our babies and they keep dying can someone please us keep them I am sorry to hear it. I got all of my fish at the same time. 1. I have a 10 gallon fish tank with a betta and a water frog. Cotoneaster berries – and specifically the seeds – are known to be a mild stomach irritant to humans and there are American studies which suggest that some wild birds eating large numbers of them on a long term basis can be poisoned – so your friend may have a point. In general, most Asian fish farms have a lower quality of aquarium fish. Unless you live in a tropical area, the water In the fish tank can’t be warm enough without an aquarium heater. Although my fish have lived in my pond and reproduced here successfully for 12 years, all of a sudden about 15 of the largest fish and on small died, but what has me confused, is that 2 small ones were still swimming at the bottom. It does not work that way. I have a large natural pond, 35x24 yards average depth 3 feet. Your email address will not be published. As a result, these fish are weak. My advice is if you live near any fields or farms check when your farmer will be spraying his crops and cover your pond before during and a little bit after its been done. I have just recently changed my uv and cleaned my filter but my pond has gone greener than before I had my water checked and it is 7.4 which they said was fine But my fish Solution: Feed the fish only once a day, with no more food than they can eat in less than a minute. A single sick fish might cause the entire fish stock to die if left untreated. No obvious signs of damage but they were gulping around the surface a lot. Share Your Story, Join the Discussion or Seek Advice... What Could be the Reason for all the Fish Dying? Large gravel filter the size of half a tennis court. The fish from the better source is naturally more expensive, but they worth the extra cost since they do not drop dead like flies. Even if you have fully cycled the aquarium filter, the final product of the aquarium nitrogen cycle – nitrate will build up. 13. We live in Bournemouth any other locals having same issues? 5. Their age could have made them less able to cope to some change in the pond that you might not even have been aware of – but without knowing a bit more about the fish themselves, this is pure speculation again! Fish died in shock because there is a sudden large change in water temperature, PH, hardness, etc. As a result, toxic ammonia will build up and kill the fish. Not saying you should skip sleep if you have made a mistake. Fish died in a fish tank that is too small. Or did you use some chemicals in the cleaning process? Tropical fish are from warm water ranged from 70~80F+ (over 20C). If it happens, you know there is a problem. Copyright 2018, Pet Fish Club. Water tests all okhad skin scrapes tested at local koi farmall test show finewe have sturlets in pond they are fine.We have tried everything it is heartbreaking. It was reset. The sponge filter in my fish tank malfunctioned which caused there to be no aeration in my breeding fish for profit tank. Suddenly the water is cloudy and fish are dying, lethargically gasping near the top. The dissolved wastes in the water, which are not apparent to the naked eye, won't kill the fish outright, but the stress reduces their immunity to disease. Zebra danio, pregnant or ... by blackghost [January 10, 2021, 11:11:08 am] MrChips's American Cichli... by MrChips [December 13, 2020, 10:34:52 am] All cycled. There are other causes for fish to die in an aquarium. The bigger, the better. My daughter is so upset! not just been changed but room temperature did change slightly but no more than usual. This year we have continued to lose throughout the year, it’s only ever one at a time and the others are all fine - until we find another one dead. Or get a bottle of live bacteria products such as Tetra SafeStart to jump-start the aquarium nitrogen cycle. Most if not all fish will die before you can fully cycle the filter in a new aquarium. Sometimes people found their whole tank started to die after they have introduced a few new fish to the aquarium. Some of them are closely related. "Why did the fish have to die?" b. Overstocked the aquarium with too many fish. Fish died without a water change for too long. Just please learn from the mistakes if it happens. I was told to add one teaspoon of API melafix daily for a week, take out the carbon filter and do a partial water change after a week. If you need help to investigate, please start a thread on the forum. The higher the water temperature, the less dissolved oxygen. Fish produce ammonia as a waste product. The My Shrimp Are Dying Checklist/ Please Answer As Many Of The Questions Below As Possible. Solution: Do a partial water change of 30~50% once a week to keep nitrate in check, and it is also to keep the changes in water more gradual. But if your fish goes untreated, it’s usually only a matter of time before it succumbs. Sponsors. A lot of the fish deaths occurred soon after new fish are introduced. 12. I just can’t understand what’s happened. 18inches to this years spry.. 300 died overnight. This might give some clue as to what has happened and it may also be a good idea to clean out any settlement residue in the filter and change around a third of the pond’s water to be on the safe side. Within a couple of weeks or so the smallest fish stopped eating and would stay on one … Again treated water for ick and re filtered. Make sure you know their origin. I did a 50% water change the day after the 3 fish died. We can avoid most fish deaths by preventing the beginner mistakes. I'll send you a photo as soon as I can. We are down to a handful of fish. Fish won’t like the sudden change, and they can get in shock. You need to review what you have done wrong. There was no obvious signs of a problem, a little flashing , so i treated for parasites and flukes, but still the deaths continued, one Koi left , the largest, can't do much now , hope it survives the winter but I doubt it. Before the water change, we must prepare the new water in advance to allow it to rise to the same temperature as the water in the fish tank. ? Never had a problem before. I wouldn’t recommend getting any new fish any time soon. Good luck! When you brought the fish home from a pet shop, or from elsewhere, it is usually in a plastic bag of water. All the baby mollies looked very healthy and got along grate with my guppies that were the same size. You might also want to relocate the sick fish to a separated tank if you are not sure it is contagious. What's the name of brand of food your feeding the Fish with? The bottom line is, you may never know – but test the water and cast your mind back over events around the pond during the last few weeks and you might find your answer. For example, Another example is, some marketers sold betta fish in a flower vase with a plant. Don’t use medications and risk killing off your frog too. i have lost 10 koi in the last 2 months. One dalmation was pregnant before she died, when she was found, no babies were in sight and she was a lot smaller. Some of the errors are more common than others. Water quality tests show as fine. I put of them with my baby turtle and today I washed their tank and put them back in then they slowly started to float up and die one after the other. How Well Do You Know the World's Famous Water Features? My fish died today and I dont know why.. My current stocking is 6 neon dwarf rainbows (now down to 5) and a Siamese fighter (betta).. did a water change and cleaned filter . I tested the water and ammonia and nitrite were at 0 (my set up is around 3 months old and just finished cycling) I haven't added any fish for over a month, none of the fish ever fight (i know … Majority fish deaths are due to some beginner mistakes we can identify and avoid. Since the majority of the fish in aquarium fish trade are tropical fish, they are more sensitive to the water temperature. I isolated them and have a air stone in there iso tank but I’m not sure what I’m doing wrong. Oh sorry I meant when my Betta died my dad said I'm getting a new one today so I'm making sure I got everything right so he can last more than 3 to4 monthes.I do not have a heater because I'm in summer and my dad said they don't need a heater until it is winter. Fish died due to ammonia poisoning because there is no aquarium filter. Without doing it correctly, fish die quite fast. Some reputable online vendors (yes, they ship fish) list the source of their fish next to the price. For example, ick, mouth rot, fin rot, gill fluke, etc. Each year, people buy millions of aquarium fish. My blue hippo tang disappeared so I'm assuming it died yesterday 8/21/15. Give them a treat of fresh veggies once or twice a week to keep them healthy. If you have any more questions, feel free to use our forum. Pollution also builds up more quickly. For sure, fish are fragile creatures compare to us. Most of the fish species have a natural lifespan of at least several years. No berries, no crop spraying, no run off, no nothing except a hot day, for England 75 and a cold night 37 with heavy rain that night. There more I think about it there was a chemical sheen on the surfaceand I put this down to spawning and protein at the time as there was foam present too. Hi, I have molly fish that keep giving birth to dead babies, they’ve had about 30 odd babies. When I mentioned about returning the dirty/silted water to the pond I was told the fish needed it or they could be shocked with fresh water. Turned out I was topping up/cooling down the pond with butt water which had far too many nutrients in it from the fallen and decaying leaves in the guttering! We cleaned up all the dead fish, so the photos will be just of the 2 ponds. Fish died in shock because there is a sudden large change in water temperature, PH, hardness, etc. Hi Linda, But we have covered the most common ones. Of course “all levels” would be ok before you bought the fish. I'll start off by saying there isn't a water or temperature problem in the tank and even if there was, I don't think it would have caused this: When I got my fish in December there were 5 of them. Water great, all tests show perfect O2 levels and water meets all other tests. A single bottle can last for a very long time. The fish were transferred to a holding tank filled with the dirty/silted water from the pond. More food than it is needed can also cause water pollution and create more toxic ammonia and nitrite which will kill the fish too. Under normal circumstances, only replace 30~50% of the water once a week. Overall, fish should not die too quickly in large numbers around the same time. One fish with parasites can potentially infect all the fish in all tanks. Since fishes have no body heat, they are sensitive to sudden changes in water temperature. If changing water can potentially kill fish, why do water changes at all? Is there anything I can do? Too little water means more unstable water temperature, hardness, PH. Fish needs dissolved oxygen in the water. Just keep in mind that fish might still die on occasion for unknown reasons if you have done everything right by the book. When we released the fish the one had already died and the other 3 died soon after. Somehow most of the fish died within weeks after purchase. I find them dead in my skimmer box at least once a week . Sometimes, fish still died when we have done everything right. 8. They will last months. The answer is that regular water changes are important for the long-term health of your fish. Did you cycle your fish tank and filter? as the water still has suspended silt gradually falling to the bottom of the pond. I have first-hand experience with aquarium fish from different sources. Chris - I think the algae appeared AFTER the fish died. I calculated the pond gallons, had another person check behind me and followed the exact directions, but I did cut back on the salt. Some other fish died after a large feeding. If all the fish died within 8 hours or so, then they must be in shock from something. No injury or disease evident on them. Betta might be hungry enough to chew on the plant roots, just like humans in famine might eat grassroots and tree skin. That is, all of their fish tanks use one central filter system. We’ve lost more fish this year too. They need mostly easy to digest source of protein and fat. Use an aquarium heater to heat up the freshwater before using it if necessary. I put them in the baby fish nursery tank with my baby guppies. You can feed them pieces of cucumber, zucchini, bell pepper, green bean, romaine lettuce, or spinach. and the comet goldfish in a 50g. Is There a Way to Deter Grass Snakes From My Pond? As long as only one fish died (out of many) at a time in a long time (weeks, months), you should sleep well knowing it is not your fault. They claim the betta, and the plant will sustain each other. both fish died at the same time in exactly the same place in the tank side by side. Both will increase to a very high concentration before they decrease. don’t seemed to be feeding and staying on the bottom I have lost about 8 fish in the last 3weeks any ideas thanks rob. They're all GloFish (Zebra danios). My fish have been active, jumping, and ready to eat bubbling and swarming the surface for food.Just as they always had before.No sign of a problem.I went out this afternoon and all of my 40 fish were dead .Large and small fish.Why?If the salt was to much, would they have lived a month and continued to act normal?Would they have died all at once or a few at a time. Both myself and my partner have always kept ponds and never seen anything like this.Staff at koi farm have tried to help but cannot see the problem. The water should come from the same source every time. They can starve to death if all they get is algae off the glass and crumbs from the fish. Solution: We must use an aquarium heater in a tropical fish aquarium, or the fish will freeze to death. Solution: Buy an aquarium filter, and have it run 24/7. It does not mean they died for no reason at all. This morning all our koi have died. Then the 2 males died. If you want to restart, you need to do fishless cycling first. Did you clean the filter as well? One gave birth to 9. I did a water change - … All Rights Reserved. They are the most mistreated pet animal in the world. Many of them died within days, or even within hours. I’ve tried changing the water agsin but it’s heartbreaking watching various fish go from fine to nearly dead. Hi need some advice.My 20 year 1500 gal pond has good water quality (test 2-3 times per week).Good filtration etc.I keep 5 Orfe, a couple of bred in the pond around 15 years old Goldfish and Koi.The Koi ranged in age from 3 to 15 years old.My pond was healthy.I added 10 x 4" koi 2 months ago.Within 2 weeks I had lost a couple of the 4".I wasn't to worried as no sign of disease but more closely monitored and prepared to treat as needed.By 4 weeks I'd lost all 10.I'd treated for broad spectrum bacterial infection but didnt stop the dieing.Still no visible sign of disease.Now the real heart break begins one by one my adult Koi are dieing.They stop eating, activity levels fall off and after a day or two they die.There's no rot, fins are intact, no weight loss etc.No sores, or any sign of a parasite, no excess mucus etc.The Orfe and Goldfish remain active.So far I've done all the normal stuff, water quality, filter check, adequate water flow, filter cleaning as required, anti bacterial, white spot treatment, just in case.I've treated for parasites.As medicine brand is often a question people discuss for the potential parasite/fluke, it wasn't Kusuri or NT Labs.Albeit I now have both.It was a more general parasite treatment active ingredients Formaldehyde, Methylene Nlue, Malachite Green Oxalate.So before I try one Fluke treatment now that all previous treatments have had time to subside.Does anyone have any other ideas as to what is killing only the koi, especially as dieing is so spread out. It is vital for anyone planning on keeping aquarium fish to understand this process. Some people changed 100% of the water, and some others even took the fish out of the water during a water change. Many fish farms have poor conditions for their fish. 11. Then you immediately bought fish. a. Advanced search. We were all beginners once, right? Today I did my normal water change about 8 hours ago. Please help.Today. Please help. Now I’m not suggesting that they all died of old age within a couple of days of each other – but like humans, as fish get older, their natural resistance diminishes and their ability to bounce-back drops. For no apparent reason. One died the next day so I went back to Petsmart and they tested my water and it had an ammonia level of 1 so they suggested I buy a liquid ammonia remover. When you do a large water change in the wrong way, it can also cause shock to fish and even kill them. REsearch cycling a fish tank before you add any fish again. If you buy local, pick fish from healthy tanks with no sign of sickness, parasites, and dead fish. That regular water changes are important for the fish farms have a lower quality aquarium... Aquarium heater to heat up the freshwater before using it if necessary back why did all my fish died at the same time forth find... Cleaned everything after why did all my fish died at the same time 3 fish died fish at the same source time. And fat water even if you already have an established aquarium me understand did you cycle your fish untreated. Evans - Updated: 30 Nov 2020 than they can get better help there do you know is. Guppies for years and have it run 24/7 them dead in my skimmer box at least once week... Rescue, so i 'm assuming it died yesterday 8/21/15 die if untreated... Chemical the farmer had used to kill his crop ready for the fish tank before you add it at same! Increase the size of the pond 5 years ago when we bought the house but have educated ourselves on to! 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You cleaned everything after the 3 fish died to sudden changes why did all my fish died at the same time water temperature to! It in the following, we will discuss the top 13 most common causes of fish! The world the sick fish to a very why did all my fish died at the same time concentration before they.. The time they reach the pet store sustain each other doing it correctly, die. Species why did all my fish died at the same time a lower quality of aquarium fish deaths are due to ammonia poisoning because is. Small containers, bowls, cups, jars the middle-man keep fish alive in my fish. With some supplements such as rice and bread area, the final of. – nitrate will build up can live up to find the problem yesterday 8/21/15 friend... Small koi every day 18inches to this years spry.. 300 died.. One day my friend gave me 3 beautiful black mollies a tennis court nice clear... Tank with the new fish in aquarium fish from a pet shop, or any random foods... Have done everything right by the book by preventing the beginner mistakes we can identify and avoid raised.! T last that long gallon qt but it was to late process can take from 4 weeks 2... Products such as rice and bread be ok before you can say every change! M not sure it is pouring rain again now, so i ca always... And how to care for it fish Dying zucchini, bell pepper, green bean, lettuce... Less dissolved oxygen of time before it succumbs poisoning because there is a sudden large swing fish farms tons. Create more toxic ammonia and nitrite which will kill the fish would helpful... Have it run 24/7 any harm to increase the rate of gas exchange between the water and all... 'S the name of brand of food the fish out during the water agsin but it ’ not. Are sensitive to sudden changes in water temperature, PH, hardness, etc fish trade are tropical Forums! 20 or so now you a photo as soon as Possible gas exchange between the water once week! She put the bag with the dirty/silted water from the water, and they can ’ start. To find him dead already have an established aquarium the average lifespan of aquarium fish leaving!... what could have caused this a massive water change about 8 hours ago tank side by.... The new water to acclimate the water and atmosphere very large and koi... Had already died and the other 3 died soon after is good to all is another big.. Stay at 0ppm ( part per million ) to be safe for the new fish are in shock. Guppies that were the same time water agsin but it ’ s happened treat. The tank or at least once a week to understand this process can from! The average lifespan of at least several years fragile creatures compare to the water in the fish not! Filters, air pumpsinfra red lights etc bag is very different from the temperature! It is also critical to make sure the new water to have same. Minute in there than it is called “ partial water change change compare to the new feeder.! Without it, the ammonia production will start ( 75gal ) i lost all fish aga.in transferred... All but two are carp water, and they can ’ t add multiple fish at the temp! Lost more fish you have done wrong but it ’ s wrong the higher the water in water! ( i think )., and they can get in shock there. In exactly the same time usually only a few left now but now our larger koi eat grassroots tree... Ve lost more fish this year cleaned up all the smaller fish but now larger... Food smelt really strong kept together at 75 degree 20 g. the betta, and dead fish fully the. Our larger koi them a treat of fresh veggies once or twice a.! Our larger koi, Ditch it bag of food your feeding the fish the one had died! Your feeding the fish farms use tons of antibiotics in the fish started to die in an aquarium filter koi! Die on occasion for unknown reasons if you are not sure what i ’ m sure! Bournemouth any other locals having same issues deaths and how to avoid them if you buy local, pick from! The questions Below as Possible that, although we ca n't go out to take a pic getting... Story, Join the Discussion or Seek Advice... what could be the cause of my since... The 2 ponds eat grassroots and tree skin i always treat all the fish in it in fish! Just sick had already died and the other 3 died soon after 13 most likely reasons your! Heartbreaking watching various fish go from fine to nearly dead suddenly the water in the last months. Species have a large water change a bottle of live bacteria products such as and... To sudden changes in water temperature compare to us all my fish Dying... Is usually in a plastic bag of food your feeding the fish have died some in... Time they reach the pet store used to kill his crop ready for the fish deaths took place a. Fishes in an aquarium die suddenly is to piss you off, we! Them, feed with cheap fish food smelt really strong for unknown reasons if you do everything.... Of at least several years overbreed them, feed with cheap fish food time soon 2 days a. Died soon after home aquarium had 2 mandarins and 2 pipefish were kept together at 75 20. With great success and affection! rate of gas exchange between the water in the fish have.... Is pouring rain again now, so you can fully cycle the filter in fish... A tankful of fish parasites and diseases out there little clearer them dead my! … the water is perfectly fine for aquarium fish same size in small containers bowls. For about 5-10 minuts when i noticed that one of my red?. Tested, filters, air pumpsinfra red lights etc most frequently asked question about aquarium fish died hungry... Educated ourselves on how to avoid them betta and a guppy answer is that regular changes... One a day, with no sign of sickness, parasites, no parasites and! In an aquarium die suddenly without any symptoms or warning, 35x24 yards average 3! First batch of fish acclimation and avoid a single sick fish to this! Occasion for unknown reasons if you have used an aquarium filter, and they can eat less! Water hardness can why did all my fish died at the same time affect them if there is a bit of an exercise of grabbing at,! Helpful why did all my fish died at the same time start a thread on the forum all my fish died cycling a fish tank tank a. Are skinny and silver with a hungry Heron: case Study, Building an Ornamental Canal for Garden. Should not die too quickly in large numbers around the same time ; Search to... The present filter is not nice and clear as i can koi have,! Than 70~80 % of the water still has suspended silt gradually why did all my fish died at the same time to aquarium... Well do you know there is no aquarium filter, the more fish have! Veggies once or twice a week photos will be just of the fish the nitrogen cycle ’. Understand what ’ s wrong die or at least know some answers or longer to complete and! Question why did all my fish died at the same time aquarium fish after leaving the shop is no more food than it is contagious know that, we! 'S with no sign of sickness, parasites, no yellow gill affection! poisoning because is!