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15 Dog Breeds That Would Have Been Feared And Admired In The Age Of Gladiators

By: Ejay Camposano
A college graduate with a degree in Electrical Engineering, Ejay has a diverse background that combines technical expertise with a passion for pets and is now one of the content writers at IHD. Read more
| March 21, 2025

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The bond between humans and dogs was already deeply ingrained in Roman society, but if today’s strongest, most fearless breeds had roamed the Colosseum, they would have been nothing short of legends. Some would have been ruthless fighters, dominating the arena with their sheer power, while others would have served as loyal bodyguards, shielding their masters with unwavering devotion. These dogs would have inspired both fear and admiration. These canine gladiators would have been revered as some of the most formidable warriors of their time.

Cane Corso

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A direct descendant of the mighty Molossian war dogs, the Cane Corso would have been a Roman favorite. Bred for battle, this powerhouse was already used for guarding, hunting, and fighting alongside soldiers. With its intimidating presence, muscular build, and unwavering loyalty, the Cane Corso would have been both feared and respected. Imagine one standing beside a gladiator, eyes locked on an opponent, ready to strike with precise, calculated force. Whether in war or in the Colosseum, this dog would have been a legend among warriors.

Neapolitan Mastiff

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The Neapolitan Mastiff wouldn’t just have been a fighter—it would have been a living tank. Its loose, sagging skin acts like built-in armor, protecting it from bites and cuts. These dogs were already used by the Romans as war dogs, and their sheer size would have made them a terrifying presence in the arena. One glare from this droopy-faced behemoth would be enough to send weaker opponents running. Slow but powerful, the Neapolitan Mastiff would have crushed anything that dared to challenge it.

Dogo Argentino

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Built for taking down wild boars, the Dogo Argentino would have been a gladiator’s ultimate hunting partner. Its muscular frame, boundless stamina, and sheer determination make it a dog that never backs down. Known for its fearless nature, this breed would have been a top contender in beast-versus-beast battles. Whether fighting for survival or standing by a warrior’s side, the Dogo Argentino symbolized strength and endurance in the Colosseum.

Boerboel

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A Boerboel in ancient Rome? Now that’s a terrifying thought. This South African guardian dog was bred to defend against lions and intruders, meaning it would have had no problem holding its own in the brutal world of gladiatorial combat. With its power, intelligence, and natural protective instincts, this breed would have been an elite guard dog for emperors and generals. Few would have dared challenge a Boerboel, and those who did would have quickly regretted it.

Tibetan Mastiff

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If the Romans had ever seen the Tibetan Mastiff, they might have mistaken it for a mythical creature. Towering, thickly furred, and exuding an aura of dominance, this breed was made for guarding and intimidating. Known for its independent and fearless nature, the Tibetan Mastiff would have been an immovable force in the Colosseum. Slow to engage, but impossible to defeat once provoked, this dog would have been an arena legend.

Kangal

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With a bite force capable of breaking bones, the Kangal would have been a nightmare for any opponent. Originally bred to fend off wolves and even bears, this Turkish guardian dog is both intelligent and powerful. Had it been part of Rome’s history, it would have stood as an unbreakable sentinel, ready to fight to the death for its master. Any gladiator lucky enough to have a Kangal by their side would have been nearly unstoppable.

Belgian Malinois

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Not every gladiator relied on brute strength—some relied on speed, strategy, and precision. Enter the Belgian Malinois, a breed that would have thrived in tactical combat. This breed would have been an elite warrior, agile, intelligent, and incredibly fast, dodging attacks and striking with precision. A Malinois wouldn’t just fight but think, plan, and execute every move flawlessly. In the Colosseum, it wouldn’t have been just a fighter; it would have been a strategist.

American Pit Bull Terrier

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The ultimate underdog of the gladiatorial world, the American Pit Bull Terrier would have been the embodiment of heart and determination. Though not the largest breed, its sheer tenacity and refusal to back down would have made it a formidable opponent. Its agility and raw strength would have made it a crowd favorite, earning respect with every battle. Win or lose, a Pit Bull would never surrender, making it one of the most admired warriors in the Colosseum.

Rottweiler

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Roman war dogs were the ancestors of today’s Rottweiler, so this breed was practically built for the Colosseum. With a stocky frame, a powerful bite, and an instinct for guarding and protecting, the Rottweiler would have been a terror in the arena. Whether fighting off intruders or standing watch over Rome’s elite, this dog would have been a legend among warriors. A well-trained Rottweiler would have been both feared and trusted, striking the perfect balance between brute force and loyalty.

Alabai

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Also known as the Central Asian Shepherd, the Alabai is a guardian dog with an almost supernatural endurance level. Originally bred to protect livestock from predators, this colossal breed has an unshakable fighting spirit. With a broad chest, thick bones, and a jaw that could crush, an Alabai would have been a nightmare opponent. It would have stood tall and unyielding in the Colosseum, its presence alone striking fear into challengers.

Doberman Pinscher

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Sleek, fast, and highly intelligent, the Doberman Pinscher would have been the perfect gladiator’s companion. With lightning-fast reflexes and a fearless attitude, this breed would have been a dangerous opponent for anything that relied on brute force alone. A Doberman in the Colosseum wouldn’t just fight but calculate, anticipate, and strike with deadly precision. The Doberman would have been a tactical mastermind in a world of warriors.

Akita

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The Akita is the silent but deadly warrior of the dog world. Known for its fierce loyalty and unmatched courage, this breed would have been a steadfast guardian of Rome’s elite. It would have stood proudly in the arena with a thick coat and muscular build, never backing down from a challenge. The Akita’s ability to assess threats and react with lightning speed would have made it a feared and respected fighter.

Presa Canario

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The Presa Canario is a breed that seems tailor-made for combat. Originally used for herding and guarding, this Spanish mastiff-type dog is both powerful and relentless. Its brute strength and stubborn will would have made it nearly impossible to defeat in a fight. Its deep growl alone would have been enough to send weaker opponents scrambling. In the Colosseum, the Presa Canario would have been a name spoken with both reverence and fear.

Bullmastiff

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The Bullmastiff would have been the Roman Empire’s enforcer. Built like a tank, this breed was originally bred to tackle and pin down intruders, making it a natural fit for gladiatorial combat. It doesn’t just fight—it dominates. With its sheer weight and explosive power, a Bullmastiff could charge into battle like a battering ram, overwhelming anything in its path. This breed would have been the ultimate test of strength in the Colosseum.

Fila Brasileiro

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The Fila Brasileiro, known for its unwavering loyalty and intense protective instincts, would have been a formidable gladiatorial guardian. Bred for hunting jaguars and deterring intruders, this powerhouse of a dog is both fast and powerful. In the Colosseum, it would have charged headfirst into battle, using its strength and tenacity to overpower opponents. With its natural distrust of strangers and a relentless drive to protect, the Fila Brasileiro would have been a terror to anyone daring to challenge it.

Who Let The Dogs Into The Colosseum?

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Even the bravest warriors might have reconsidered their career choices if these dogs had been around during the gladiatorial games. These breeds would have been the ultimate legends of the Colosseum. Some would have stood as living fortresses, guarding emperors with unwavering devotion, while others would have charged fearlessly into battle, striking terror into their opponents. These canine warriors would have been the backbone of any Roman conquest. Their presence alone would have rewritten history, possibly making Rome an indomitable empire for centuries longer.

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