The Sussex Spaniel is a distinctive and affectionate dog breed known for its gentle nature, charming expression, and unique appearance. These dogs typically weigh between 35 to 45 pounds and stand around 13 to 15 inches tall at the shoulder. The Sussex Spaniel has a compact and sturdy build, with a broad head, long ears, and a dense, wavy coat that comes in shades of golden liver or rich chestnut.