Did you cycle your fish tank and filter? In this case, less is better. I did a water change - … 8. Your email address will not be published. They know that, although we can't always understand God's ways, God is good to all. Copyright 2018, Pet Fish Club. I had two dalmation mollies, one black, one white, a gourami, a black moor and a guppy. I only have one goose left. Hi, I have molly fish that keep giving birth to dead babies, they’ve had about 30 odd babies. 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. A new aquarium filter must be fully cycled to maintain the aquarium nitrogen cycle. and the comet goldfish in a 50g. Your email address will not be published. I made the mistake of buying 3 little feeder fish to add to tank just for some excitement because I knew they swim in the plants. In any case, do not change more than 70~80% of the water at once. My largest fish is now dying. 3. The fish were transferred to a holding tank filled with the dirty/silted water from the pond. 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 put them in the baby fish nursery tank with my baby guppies. If you buy from a local shop, pay attention to the conditions of the fish. for many, many years. Did you clean the filter as well? She is friendly, because we hand raised her. In general, most Asian fish farms have a lower quality of aquarium fish. Since fishes have no body heat, they are sensitive to sudden changes in water temperature. 6. You have not cycled the new aquarium/fish tank/filter. 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] They made a very good job of cleaning the pond but before the pond was filled with De-Chlorinated mains water, about 20% of the dirty/silted water from the holding tank was pumped back into the pond, the fish were then returned before filling the rest of the pond with De-Chlorinated mains water. Overfeed fish can cause a digestive problem and kill the fish directly. Top 13 Misconceptions of Aquarium Fish Keeping, The Best Water for Fish in a Home Aquarium, 10 Reasons Why You Should Not Overfeed The Fish, Aquarium Heater (How it works; Why we need it), Freshwater Aquarium Setup and Equipment (17), Saltwater Aquarium Setup and Equipment (16). If changing water can potentially kill fish, why do water changes at all? as the water still has suspended silt gradually falling to the bottom of the pond. Of course “all levels” would be ok before you bought the fish. I do regular weekly water changes of around 40% as the tank is well stocked. Since then, every single one of my fish have died… My daughter is so upset! We inherited the pond 5 years ago when we bought the house but have educated ourselves on how to care for it. If your water recently went green, or a large amount of plant material has found its way into the pond – and this might include those Cotoneaster berries – the breakdown of the algae or other vegetable matter could have taken the oxygen out of the water. During which time, ammonia and nitrite will build up. The answer is that regular water changes are important for the long-term health of your fish. It is also critical to make sure the new water has similar water temperature compare to the water in the fish tank. Majority fish deaths are due to some beginner mistakes we can identify and avoid. It would be helpful to start a thread on the forum, so you can get better help there. How? Fish needs dissolved oxygen in the water. Fish died in shock because there is a sudden large change in water temperature, PH, hardness, etc. 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. I'll send you a photo as soon as I can. Anyway, the majority of them died in the first month. Please help.Today. They are not necessarily in any order. One dalmation was pregnant before she died, when she was found, no babies were in sight and she was a lot smaller. A small fish tank has very little water. With some supplements such as bloodworm and brine shrimp as nutrition treats. 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. The fish themselves might also be a factor in this; if they, like the pond and our prime suspect, the Cotoneaster bush, have also been around for a long while, their advancing years may have played a part. “Dump” the fish in the fish tank right away can kill them quite fast. Solution: Buy healthy fish from a reputable source. I've Ben breeding fantail guppies for years and have grate success. Water PH and water hardness can also affect them if there is a sudden large swing. Have any pesticides or fertiliser been used around the pond, have you changed your brand of fish food or dosed your pond with some treatment or other? A single bottle can last for a very long time. Unless you live in a tropical area, the water In the fish tank can’t be warm enough without an aquarium heater. If you need help to investigate, please start a thread on the forum. "Why did the fish have to die?" I find them dead in my skimmer box at least once a week . I bought 5 tiger barbs at one time because I didn't know you had to add 1 or 2 at a time. » General Aquaria » my fish died all at the same time ; Search. Is There a Way to Deter Grass Snakes From My Pond? Many of them died within days, or even within hours. It is a bit of an exercise of grabbing at straws, but it might just make things a little clearer. Solution: Feed the fish only once a day, with no more food than they can eat in less than a minute. There are hundreds if not thousands of fish parasites and diseases out there. Fish won’t like the sudden change, and they can get in shock. The fish tank is too small. Required fields are marked *. My fish are dying, too.No reason.It started when I purchased a new bag of food (same brand).May I ask what brand food y'all are feeding your pond fish? How We Dealt With a Hungry Heron: Case Study, Building an Ornamental Canal for Your Pond, Ditch It! And it works almost immediately when you add it to the tap water. All the baby mollies looked very healthy and got along grate with my guppies that were the same size. But they will still die of malnutrition. Give them a treat of fresh veggies once or twice a week to keep them healthy. Treat the infected fish as soon as possible with proven working fish meds. Many times goldfish have been shipped around quite a bit and are totally wiped out by the time they reach the pet store. We can avoid most fish deaths by preventing the beginner mistakes. It can also crash the water PH. The bigger a fish tank is, the easier to keep the fish alive. I wouldn’t recommend getting any new fish any time soon. Seven years with one or two losses per year, about 500 fish all but two are carp. Best of luck to you all. We've had a Koi pond for almost 30 year's with no problems until this year. As soon as we remove a dead fishanother one becomes lethargic at the top of pond then goes to the bottom lays on its side and dies. I recently had my fish pond deep cleaned. We were all beginners once, right? ? It can greatly increase the rate of gas exchange between the water and atmosphere. Most of the quick deaths of fish are due to shock. The sponge filter in my fish tank malfunctioned which caused there to be no aeration in my breeding fish for profit tank. Several things can cause it to happen. There are a lot of big fish but also quite young fish too.At a loss to know what to do. More food than it is needed can also cause water pollution and create more toxic ammonia and nitrite which will kill the fish too. Used to kill his crop ready for the fish food before she died, '' Dina.! 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