This thread is now over a year old - If you have any problems, please start a new thread as you will get an answer much faster! Thanks :)
what other fish do you have in your tank?
Just the tetra. We started with 6 tetra once our tank was cycled.
i have had tetras go missing before and ive never found them there only small fish to begin with so if they die they can go missing very easily. i wouldn't be suprised if the other tetras will of eaten it.
Thanks. Still seems a bit weird. There's hardly anywhere they could have gone in our 10gal the only thing that must have happened is that the other tetra have eaten it.
I have no idea why they would be dying though, the parameters are fine, there was a disease scare but they got over it maybe they didn't -sigh-
Another one went missing last night
This is really worrying now, because I don't know if they're dying or hiding or what
I am confused
Have you got any hidy holes or tunnels
I know my catfish are always missing and they are always under my newest ornament
Here is a pic
Nope, no hiding places that we haven't moved around and checked under. There's some pictures on my blog.
Also I found a weird creature in my tank a little while ago, I've asked to see if anyone knows what it is on here in a separate question and if it could be killing or eating my fish if they die or if it's harmful. It's really freaked me out
Sometimes, fish get sucked up by powerful filtration systems. It may be worthwhile to install a sponge filter over the filter intake tube.
John - We have two sponges in the filter and they usually camp out under the filter sucky bit quite comfortably with no problems. The filter was our first guess and we looked inside with nothing.
On an update! two fish turned up when my other half came home and took the filter out to see if he could find the freaky bug thing. So at least we have 5 again but we have no idea where they could have been hiding lol We gave them some food just in case they hadn't eaten anything in a long while. So I'm hoping that the 6th will turn up now fingers crossed!
mabe they got sucked into the filter? i heard that smaller fish can get stuck on or in the filter. i once found snails in my filter! check mabe behind the filter??? good luck finding them.
Yeah we solved this a while ago now, they were getting behind the filter and getting stuck. We bought some fine sponge and cut it to size and put it behind there instead. It's also become a good place for our bacteria to live
I have been losing neons also, one a day. I find them in the morning stuck to the end of the filter tube. Is it possible that the fish get stuck there and that is causing them to die? They seem to be healthy otherwise when I observe them during the day.
this is whats happening to me. I am so freaked ! please someone help
yesturday i bought 5 tetras and introduced them to my 10 gal.. i also have a betta and 2 apple snails.. all were getting along fine not even chasing one another.. and this morning i woke up and 2 were missing. after careful consideration i moved everything in the tank and tore apart the filter.. one was found dead under an ornament and the other one is still gone.. just disapeared in thin air.. its bothering me but he is not anywhere..Anyone have any ideas??
thank god its not just me i have a 140 gal tank just put my second group of fish in 12 cardinal tetra after a day i only have 6 cannot find the other 6 anywhere i have a fluvial fx6 filter all that remains is to check inside it but find it really hard to believe that 6 should go over night without a trace
Hi jas, this is a very old post, maybe you should start a new thread? I personally have never used the fluval filter but maybe others have! Losing fish is not normal and I hope you do get to the bottom of it. Give details, tank size, filter (as you did) but also what other fish are in the tank and howlong your tank has been established. Good luck.
EDIT: SOLVED - We found the problem, they were getting behind the filter. we bought some fine sponge to go behind it and they're all fine now :)
So a couple of weeks ago we bought 6 neon tetra for our tank. They are doing fine and all but then one went missing. We looking all around everything, moved a few things and looked inside the filter as well (although it seems like a slim chance they'd get through the gaps in the filter)
So we didn't think anything of it for a few days, what happened, happened.
But today, I woke up and another fish has gone missing, I'm really stumped as to what is happening to our tetra. I checked the levels soon after but they all seem fine and there's no spike in ammonia (because I thought there might be a couple of rotting fish somewhere)
So I don't know what to do :( You can see what our tank looks like on my blog if you need to look.
Yesterday I got 2 little neon tetras and I mean little! Today when I woke up 1 was missing!I thought he might come out of hiding if I fed them but nope. I checked everywhere. including the decorations, the filter, and everywhere else. I think my beta named Bubbles could have ate him. I doubt it though. Bubbles is so mellow... I am pretty sure that neon which I already named Bruce the shark from Finding Nemo. Any way I hope Bubbles didn't eat him... I have a 5.5 gal. tank with lots of hiding places. Poor Bruce... I need a good long helpful answer because I'm stumped! By the way in the tank I have 5 neon tetras and a beta in the tank already Including the other new neon tetras Sharkbait and poor deceased Bruce. I already had Peach, Gill, And Bloat the other neon tetras for 2 weeks.
Hello Tom, if you look in the top right corner of a post, you will see this thread is a year old. You will get more answers by starting your own thread
Your betta may seem mellow, but tetras are usually not good tank mates for bettas. They are bright an colorful, 2 things that usually catch a bettas attention. In schools, they can be nippy and might pick on your betta as well.
It is likely that your betta probably attacked and killed your neon tetra. If it happens again, I would think the betta is definitely to blame.
Also, I noticed you have a 5.5 gallon tank. That is perfect for a betta fish, but with the added neon tetras, it is overstocked. Neons are a schooling fish that need to be kept in groups. They are also very active so they need a lot of swimming space. I wouldn't keep them in anything less than 10 gallons.
An overstocked tank would also increase aggression because the fish feel cramped, so your betta is more likely to attack and kill other fish in what he believes is his territory.
I'm happy you found what was happening to your tetras.
Thank you Kirrie. You have been a big help. Poor Bruce in a tight space full of digestive juices! I wonder if Sharkbait will be next...
when they die there so tiny and frail that the filter could of very well sucked them right into it
Hi tom i have had my tank for 2 yrs i had alot of problems at the start people told me how they started and i did the same way had lots of problems even after 3 days after the cycle
Eventually i put guppies in they bread and thats all i had then few weeks down line i bought 10 neons most of the neons died after 2months guppies was fine i bought clown loaches they died after 6months all this was through problems i didnt figure out till end of last year
After i got my tank stable last year i stocked up on neons and one betta and 3 clown loaches guppies i already had they die after 6 lots of fry but i always end up with more my betta didnt harm no neons or guppies not even the fry as they got to many and i decided to leave them in not one fish touch them anyways i noticed fish like to hide and be alone and if there isnt anywhere to hide they stress out if its stressed and dies the other fish could of ate it but with the fish i have in mine and small snails it still takes a while for them to eat the dead fish
Before this thread goes away, I'd like to add a couple things. First, new fish suffer quite a bit of stress from just getting moved. Drip acclimation will greatly lower the stress level while also increasing the survival rate. Here's how to drip acclimate:
Once you use drip acclimation, the old bag float method will seem crude and ineffective.
The second point I wanted to make is about old tank syndrome. When an aquarium is working for quite some time, any little mistakes build on eachother until one day the nitrogen cycle is overwhelmed. This usually produces a very sudden and large ammonia increase, which can be fatal to fish already acclimated to a well maintained aquarium. Here's more:
While this is not always the culprit, old tank syndrome is a fairly common problem.