What Is This Little Thing :|?

Wigster

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Well I've woken up and had a quick look at my tank and saw this thing swimming about, was a total surprise.
Is this guy something I need to get rid of? Just so you guys are aware I'm currently doing a fishless cycle, and my journal can be seen here: http://www.fishforums.net/index.php?/topic/367500-wigsters-tank-journal-cycling/

So if possible an I.D please, and if I do need to get rid of him, is there a good way as he does seem to be squirting out tiny little wriggly worms which I guess are offspring.. so are there any ointments that I should treat the water with?
Pic: (He is about 2cm/1inch long)

DSC_2278.jpg
 
Dragonfly larvae or similar. Leave it in for the moment, if you like, but it has to come out before the fish go in because these things very usually feed on fish.
 
I'd personally get it out now... if it's breeding, you may miss some offspring before you put your fish in :S
It's a baby which is not capable of breeding in its current form. By the time it can breed, it would have long since flown away. Also, it takes a male and a female adult to breed :)
 
Hmm it looks really strange! Does it have legs or look like an aquatic insect? If you're really worried, better to remove then let it continue squirting out its wormy thingos! :S
 
It's a damselfly nymph ( the 3 pronged tail )

So really only threaten fry or tiny fish :good:
 
I've taken it out now and it's in my garden pond... so that's a few snails and a fly thing I've rescued now and put in my pond from my tank :D.
It was definitely "shooting out" some kind of offspring, as I can see the wriggly worms that came out of its backside trying to burrow into the gravel.
 
Hurray! :) 2 snails have appeared in my tank too, but I left them in there. Would've freaked out if I found that nymph in my tank though. Worms freak me out no matter how small. :sick:
 
I would imagine even if the "wiggly" things are offspring, like Kat said, it takes two, so they're only likely to be one half of the equation.

Leave the few snails you have in, and hope they eat the half baked offspring :)
 
It certainly looks like a damselfly nymph as suggested above, and would be incapable of reproduction. Shooting worms out of it abdomen sounds fascinating, this is quite a mystery!
A pic of the worms would be great, but I guess they've burrowed out of sight into the gravel by now?
 
Well I'm back from work so have had proper time to research, after consulting google images I can confirm it was definitely a damselfly nymph. Yup all the worms are fairly hidden at the moment, I shall take pictures if and when I get a good view of them.

Cheers for the help and input all :).
 

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