a needle in a haystack

a needle in a haystack

something extremely hard to find It's pretty much a needle in a haystack because these fish are extremely hard to find.
Usage notes: also used in the forms look for a needle in a haystack and find a needle in a haystack
Etymology: based on the idea that it is to almost impossible to find a thin sewing needle in a haystack (a very tall pile of dried grass)
See also: haystack, needle
References in classic literature ?
The wind was fair but fitful, and it was like looking for a needle in a haystack to raise that tiny boat out of the blue immensity.
But to hunt on a dark night for a boy in a sea of mud would be like hunting for a needle in a haystack, and he did not attempt it.
I came here, looking for a needle in a haystack, and I ain't found it.