According to the Dog Breed Info Center, cocker spaniels grow to weigh 15 to 30 pounds. Female cocker spaniels grow to be 14 ? inches tall, and males grow to 15 ? inches tall. They have a 12- to 15-year lifespan.
Cocker spaniels are an active and devoted breed that can have a few medical risk factors. Some of these include glaucoma, cataracts and patellar luxation. Minor medical issues that can occur include cherry eye, allergies, liver disease, hip dysplasia and cardiomyopathy. They need regular exercise and good grooming as they are average shedders. The breed is shown in the gun dog category and the American Kennel Club Sporting category.