Can crappie smell?

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http://www.crappie.com/crappie/main-...atter-crappie/

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I know this is a old question here on crappie.com. But researchers are finding answers to these questions everyday. Do crappie smell or taste scents are they scientific proof that adding scents to artificial baits is worth the trouble. I know that catfish smell scents from very far distances as I have used them in the past years to catch catfish. I have also used anise as a scent for bass with some good results. I have heard people use vanilla scents for bream. I have read past posts of positive and negative on where are not crappie are caught with the help of scents. Seems no one really knows for sure or I didn't read that post. I see that some think anise, garlic,and worm oil are good scents. Well is there any new proof or articles that you can share on this.

I have try all these thing and can not get that small off my hands