The Pugalier is a designer dog breed, a cross between a Pug and a Cavalier King Charles Spaniel. It is small in size, with a compact body, expressive eyes, and a short coat that can vary in color. Known for its friendly and playful nature, the Pugalier thrives in family environments and adapts well to apartment living. It enjoys moderate exercise and is known for being affectionate and sociable, often seeking human companionship.

The Pugalier is not a species but a designer dog breed, a cross between a Pug and a Cavalier King Charles Spaniel. As such, it does not have a native region in the wild. Instead, it is bred in various regions globally, primarily in domestic settings.

Since the Pugalier is a domesticated breed, its 'habitat' is typically a human home or apartment. They are adaptable to various living conditions but thrive in environments where they have human companionship and regular exercise.

As a companion animal, the Pugalier's ecological niche is within human households. They are known for being friendly, affectionate, and good with families, playing the role of a pet rather than having a specific ecological function in the wild.