pretty sure it is a knife, but what is it?

[KMKN]

sorry for your loss but the EN knife is awesome

 

[aranos]

I'd buy that elephant nosed knife from you if you need to get it out of your tank, lemme know.

 

[Bottomfeeder]

might be a Blind Tuibesnout. If so it gets up to 3'' and has a pink organ on its tail that grows when its dying of stress.
Not sure tho

 

[killarbb]

its about 5 maybe 6 inches long now