Arrgh

liverpool

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my poor guppy has half his tail ripped off i have 2 serpae tetras could it of been these as no other fish are aggresive i have just tetras

what can i do he hids behind the pump :(
 
I doubt it was the tetras what are all of your fish in that tank? Do you still have the flying fox?
 
Ok no need for the 3 threads on this but anyway....

What is the full list of fish you have in the tank?
 
It's an almost certainty the culprits are the Serpae tetras !
A little more homework would have taught you not to mix veiltail guppies with the likes of Serpae tetra and Tiger barbs. Sorry but the simply do not mix. Increasing the size of the shoal of these is supposed to eleviate the trait to some extent but not always. Guppies and Tetras require different water conditions in any case.
In the short term I suggest that you remove the guppy to his own quarters and feed him a variety of food until he recovers. Either that or he will end up being badgered to death.
Sorry to be such a killjoy, I'm just pointing out some facts and hope you will learn by your mistakes.
Lesson 1...Don't go out and buy fish on impulse.
Regards
BigC
 
25 gal

3 rummynose
3 glowlight tetras
4 neons
1 flying ox
2 platys
3 guppys
2 serpae tetras
2 x ray tetras

i thought that bigc
 
Then you have a problem.

Serpae tetras, Hyphessobrycon eques, as others have mentioned, are notorious fin-nippers. So is the closely related tetra Hyphessobrycon callistus. In fact, unless you know better, it's safe to assume that any barb or tetra is a potential fin-nipper until you have confirmed otherwise. Most are not fin-nippers, but enough are that it is worth taking this cautious approach if you only have a single aquarium.

In some cases fin-nipping is a side effect of not having enough fish in the school. tiger barbs are classic examples of this. In other cases, the fish are naturally "parasitic", and feed to some degree on the fins of other, often larger, fish. I believe that many tetras fall into this category. A few years ago, I wrote an article for TFH magazine called "Fish no-one should ever keep", and the serpae tetra was number three on that list!

Besides guppies, other fish to avoid mixing with fin-nippers are angelfish, Siamese fighters, gouramis, fancy goldfish, and basically anything that is slow and has long fins.

Some aquarium stores will take back fish. Ask nicely, and don't expect any credit. Some stores will give credit, but don't expect it, especially not on two serpae tetras.

I'd suggest buying a nice book like Baensch's Aquarium Atlas; it is very useful to have a book to hand for when you go shopping, so you check up on social behaviour before buying the fish.

Cheers,

Neale

I haven't got another tank.
 

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