Which of the following is NOT a characteristic a judge looks for when judging a cavy?

When judging a cavy, judges typically focus on several standardized criteria that highlight the animal's breed characteristics and overall health. The correct answer, which identifies an aspect not generally used for judging in a show context, is the colorful patterns of the cavy. While color can be a feature of specific breeds, it is not a universal focus for all breeds since standardized characteristics vary widely.

In contrast, correct body type is a fundamental aspect that relates directly to the specific breed standards and physical attributes that are essential for identification and quality assessment. Good eyes are also an important characteristic, as they indicate health and vitality, making them crucial for evaluation. The condition of the coat reflects the overall care and health of the cavy and is an important aspect that judges consider for presentations in shows.

Focusing on the breed-specific attributes rather than colorful patterns provides a clearer framework for judging cavies, emphasizing health, conformation, and suitability for show standards. Thus, while colorful patterns might be visually appealing or relevant in casual contexts, they are not a definitive judging criterion across all breeds in a competitive setting.