I fished a small lake, called simpsons lake in bardstown ky!!!! The air temp was bout 45 for the high and in the moring it was 39!!!! I ve got a really got fish finder, 898 side image!!! and all the fish that I could locate was anywere from 35 to 45 foot deep and allmost dead on the bottom, is this large mouths or cat fish or stripers????? How do I catch these fish???? I am not a really big winter fisherman, but I would like to learn how to catch these fish!!!!