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My money is on the Killifish (which species by the way?) or Angel ripping him apart, though it could be the Tetras depending on the species. What size tank are they in? This mix of fish is definitely not ideal, a bloodbath waiting to happen due to the (possibly) aggressive a dominant personalities of the fish in the mix. I would personally recommend choosing one of the three (Killifsh, Betta or Angel) to keep (assuming the tank is ideal for it otherwise) and rehome the others to achieve a more peaceful tank.
If you could let us have more details, we'll be able to help better.
How big is the tank, both volume and dimensions?
How long has the tank been set up? (you did say you were new to fishkeeping)
How did you prepare the tank for the first fish?
What are the readings for ammonia and nitrite?
One of the very first lessons a new fishkeeper should learn is never trust the shop. Don't believe anything they say till you've done your own research. Yes, there are some good shops, but only experience will allow you to tell the good from the bad.
How big is the tank, both volume and dimensions?
How long has the tank been set up? (you did say you were new to fishkeeping)
How did you prepare the tank for the first fish?
What are the readings for ammonia and nitrite?
One of the very first lessons a new fishkeeper should learn is never trust the shop. Don't believe anything they say till you've done your own research. Yes, there are some good shops, but only experience will allow you to tell the good from the bad.
As you are "quite new to all this", I think then your first lesson has to be take what your LFS say with a pinch of salt. Once you understand more about the hobby you will then be able to tell whether the staff you speak to know what they are talking about or not.arix36 said:
Pick the one you like the most and return the other two (Angel, Killi and Betta) although with a damaged fish I can see the LFS refusing to take it back so you may have had your decision made for you.
Gotta say, it could easily be the mollie as well, I've had some real hell-vixens.
That's a fair point. Worth watching the fish for a bit to see what is going on.the_lock_man said:
That's the problem - the size of the tank. I'm not surprised they have been fighting with all those fish in such a small tank.
Is the rio cycled? Though the fish would probably be better off in an uncycled larger tank with the water changes that will need than leaving them in the 19 litre.
What I would do is move everything except the betta into the rio. If it is not cycled yet, you will need to do a fish-in cycle link
Leave the betta in the 19 litre, but do daily large water changes to help his fins heal.
The rio is a bit small for an angel - I have a rio 125 - so I would look to rehoming it. If you do it sooner rather than later it would help with the fish-in cycle, assuming you will be doing one.
Once the tank has cycled, you could then increase the numbers of the tetras (which do better in shoals of 6+ of the same species, with more being better)
Is the rio cycled? Though the fish would probably be better off in an uncycled larger tank with the water changes that will need than leaving them in the 19 litre.
What I would do is move everything except the betta into the rio. If it is not cycled yet, you will need to do a fish-in cycle link
Leave the betta in the 19 litre, but do daily large water changes to help his fins heal.
The rio is a bit small for an angel - I have a rio 125 - so I would look to rehoming it. If you do it sooner rather than later it would help with the fish-in cycle, assuming you will be doing one.
Once the tank has cycled, you could then increase the numbers of the tetras (which do better in shoals of 6+ of the same species, with more being better)
Thats a great help the rio has been running since sunday ive been putting filter start in daily and have also put two plants from my small tank in there aswell would this then b ok for me to move the fish over tonite
Unfortunately, that won't have cycled your filter.
But I would still move them over and follow that link I gave you for how to do a fish-in cycle. The reason I say they would be better of in an uncycled tank is that the 19 litre is way, way too small for all those fish and even though they would be going through the cycle in the rio they will be better off than being crammed together in the 19 litre.
It will take a lot of work on your part to keep them alive. Fish-in cycles need daily large water changes. But if you leave them in the 19 litre, things will only get worse.
But leave the betta in the 19 litre. it is the perfect size for just one betta, and being on his own, together with daily water changes to keep his water extra clean, he should be able to heal. Even when he's healed, keep him alone in the 19 litre.
But I would still move them over and follow that link I gave you for how to do a fish-in cycle. The reason I say they would be better of in an uncycled tank is that the 19 litre is way, way too small for all those fish and even though they would be going through the cycle in the rio they will be better off than being crammed together in the 19 litre.
It will take a lot of work on your part to keep them alive. Fish-in cycles need daily large water changes. But if you leave them in the 19 litre, things will only get worse.
But leave the betta in the 19 litre. it is the perfect size for just one betta, and being on his own, together with daily water changes to keep his water extra clean, he should be able to heal. Even when he's healed, keep him alone in the 19 litre.
Thank you very much for your help thats my job for tonite then oh and stay away from the lfs that said they would all b ok in that tank once again thank you i really care for the wellbeing of my fish and want to do it right
Never trust any shop until you've researched for yourself. If your shop said all those fish would be fine together in a 19 litre tank never, ever believe anything they say again. The only fish suitable for that tank is the betta, on its own.
The molly and angel both need much bigger tanks because as adults they would be too large, and the tetras will need a bigger tank for a proper shoal.
Bettas are funny things, some can be kept with tank mates in bigger tanks, but a lot won't tolerate any other fish in with them. I would leave yours on his own in the 19 litre. Lots of clean water - that is, lots of water changes - will help him heal faster.
If you've moved the fish last night, do you have a liquid reagent test kit for the fish-in cycle? If you haven't got one, buy one asap and do a 50% water change every day till you do. Don't believe that shop if they say you don't need one. Once you have a test kit, you will need to do a water change every time you see a reading above zero. They must never be allowed to reach 0.25. Even though you used a filter starter it is unlikely to have done much, if anything. Most of them don't work.
The molly and angel both need much bigger tanks because as adults they would be too large, and the tetras will need a bigger tank for a proper shoal.
Bettas are funny things, some can be kept with tank mates in bigger tanks, but a lot won't tolerate any other fish in with them. I would leave yours on his own in the 19 litre. Lots of clean water - that is, lots of water changes - will help him heal faster.
If you've moved the fish last night, do you have a liquid reagent test kit for the fish-in cycle? If you haven't got one, buy one asap and do a 50% water change every day till you do. Don't believe that shop if they say you don't need one. Once you have a test kit, you will need to do a water change every time you see a reading above zero. They must never be allowed to reach 0.25. Even though you used a filter starter it is unlikely to have done much, if anything. Most of them don't work.
That must be a pretty poor shop to recommend that volume of fish in such a small tank...
essjay said:
I missed a bit out of my last post. Since I can't edit it, see the red in the quote for the missing bit
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