1 For fish, most taxidermists are going to charge per inch. 2  This can range from $11 to $22 per inch depending on what type of fish it is. 3  Life sized mounts are going to cost considerably more. 4  For example, a life sized squirrel can cost anywhere from $180 to $330, while a raccoon or fox can cost $400 to $615.axidermy is the art of mounting or reproducing animals for display in a place such as a home or commercial atmosphere such as a restaurant. Some of the most common animals that are mounted include deer, fish, birds, as well as other various mammals and reptiles.