Shetland SheepdogVSShih Tzu

The Shetland Sheepdog is known for being intelligent, eager, devoted, while the Shih Tzu is typically described as affectionate, outgoing, happy. These distinct personality traits mean each breed offers a different kind of companionship.

Both breeds share a similar playfulness level at 4/5, so you can expect comparable levels of fun and games from either one.

Noise-wise, the Shetland Sheepdog is more vocal with a barking level of 5/5, while the Shih Tzu is quieter at 3/5. If you prefer a calmer household, the Shih Tzu may be the better choice.

The Shetland Sheepdog is a small breed standing 33–41 cm (13–16 in) tall and weighing 6–12 kg (13–26 lbs). In comparison, the Shih Tzu is a small breed at 20–28 cm (8–11 in) and 4–7 kg (9–15 lbs).

The Shetland Sheepdog is somewhat larger, though the difference isn't dramatic. Both breeds are manageable for most owners, but the size gap does affect food portions and space requirements.

The Shetland Sheepdog has a long coat available in sable and white, tricolor, blue merle, while the Shih Tzu sports a long coat in black, white, gold, brindle, liver. Coat type significantly impacts grooming needs and shedding, which we cover below.

The Shetland Sheepdog has high energy (4/5) with high exercise needs (4/5). The Shih Tzu has low energy (2/5) and low exercise needs (2/5).

The Shetland Sheepdog requires more daily activity to stay happy and healthy. Without enough exercise, they may develop destructive behaviors. The Shih Tzu is more adaptable and can get by with shorter walks and play sessions.

For apartment dwellers, the Shih Tzu is the stronger choice with an apartment-friendliness score of 5/5, compared to the Shetland Sheepdog's 3/5. The Shetland Sheepdog generally does better with access to a yard or larger living space.

When it comes to shedding, the Shetland Sheepdog drops more fur with a shedding level of 5/5, while the Shih Tzu is lighter at 1/5. If pet hair on furniture is a concern, the Shih Tzu will be easier to live with.

Grooming-wise, the Shih Tzu needs more upkeep (5/5) than the Shetland Sheepdog (4/5). The Shih Tzu's long coat demands regular professional grooming to stay in top shape.

Annual grooming costs average around $250 for the Shetland Sheepdog and $500 for the Shih Tzu. Factor this into your budget when deciding between the two.

The Shetland Sheepdog has a lifespan of 12–14 years, while the Shih Tzu lives 10–16 years. Both breeds have comparable lifespans.

Both breeds score 3/5 for health robustness, meaning they share similar overall health profiles.

Common health issues for the Shetland Sheepdog include collie eye anomaly, hip dysplasia, dermatomyositis, hypothyroidism. The Shih Tzu is prone to brachycephalic syndrome, patellar luxation, hip dysplasia, eye problems. Regular vet checkups and health screenings are essential for both breeds.

Annual vet costs average $450 for the Shetland Sheepdog and $450 for the Shih Tzu. Pet insurance is worth considering for either breed.

The Shetland Sheepdog is easier to train with a trainability score of 5/5, making it more suitable for first-time dog owners. The Shih Tzu scores 3/5 and may require more patience and experience during training sessions.

The Shetland Sheepdog ranks higher in intelligence (5/5 vs 3/5), which can be both a blessing and a challenge. Smarter dogs learn commands faster but also get bored more easily and may develop behavioral issues without mental stimulation.

Regardless of which breed you choose, early socialization and consistent positive reinforcement training are key to raising a well-behaved dog. Puppy classes are a great investment for either breed.

In terms of raw intelligence, the Shetland Sheepdog outranks the Shih Tzu with a score of 5/5 compared to 3/5. The Shetland Sheepdog tends to learn new commands in fewer repetitions and shows stronger problem-solving ability in novel situations. However, higher intelligence doesn't always mean an easier dog to own — smarter breeds often demand more mental stimulation to avoid boredom-driven destructive behavior.

These breeds excel in different types of intelligence. The Shetland Sheepdog leans toward working intelligence — excelling at tasks, following complex commands, and performing jobs they were bred for. The Shih Tzu, on the other hand, shows strong adaptive intelligence — figuring out new situations on their own and reading social cues effectively.

The Shetland Sheepdog's higher intelligence translates directly into better trainability (5/5 vs 3/5), making them both the quicker learner and the easier breed to train. This combination is ideal for owners who want a responsive, obedient companion.

For either breed, mental enrichment is just as important as physical exercise. Puzzle feeders, training sessions, scent work, and interactive toys keep intelligent dogs engaged and prevent the boredom that leads to chewing, digging, or excessive barking.

Both breeds score 4/5 with children, making them equally suitable for families. Either breed can be a wonderful addition to a household with kids.

The Shih Tzu is more welcoming to strangers (4/5), while the Shetland Sheepdog tends to be more reserved (2/5). If you frequently have guests, the Shih Tzu's sociable nature will make entertaining easier.

The initial purchase price for a Shetland Sheepdog ranges from $800–$2,000, while a Shih Tzu typically costs $500–$2,000. The Shetland Sheepdog has a higher upfront cost.

Ongoing annual costs (food, vet, grooming) come to approximately $1,120 for the Shetland Sheepdog and $1,310 for the Shih Tzu. The Shih Tzu costs more annually, largely because of grooming expenses.

Monthly food costs run about $35 for the Shetland Sheepdog and $30 for the Shih Tzu. Over a typical lifespan, the total cost of ownership can differ by thousands of dollars, so it's worth factoring in the long-term financial commitment.