It is a Banana Slug. The California state mollusk. It is generally understood that dachshunds are the best hunters of the banana slug because they can travel close to the ground under all the brush. The grand champion banana slug hunter, "Shawshank" was famous for tunneling through miles of muck to find his quarry. Banana slug is a delicacy in California sushi bars, and Shawshank earned many culinary awards..