What is this new thing?

[MisaHasTheEyes]

Pictures can be found here, since my image hosting site is down. :( http://forums.somethingawful.com/showthread.php?threadid=3193192 (this is a site with adult language, you have been warned!)

Found this bugger in my freshwater planted tank last night. No idea where he came from or what he is or what he has been eating! Ideas?

[NickD]

dragonfly larva. Can eat small fish from what I've read.

[captmicha]

Yeah, I ditto Nick's answer. A dragonfly nymph. You'll want to get it out of there if you don't want it eating your small fish.