Marginated Tortoise Species Profile: Habitat, Diet, Size, and Lifespan

The marginated tortoise (Testudo marginata) is the largest Mediterranean tortoise species and is known for the distinctive flared edges at the back of its shell. Native to southern Europe, particularly Greece and parts of Italy, these tortoises thrive in warm, dry environments. This species profile explores the marginated tortoise’s natural habitat, diet, size, lifespan, and key facts about this fascinating reptile.

If you think this species is for you, check out the full care guide I put together.

Quick Facts

Identification

If you think your tortoise might not be a Marginated Tortoise check out the Species Profile Hub to help decide.

• Shell: Medium to large, very high-domed and sturdy carapace. Color ranges dark brown to black with lighter tan or yellow centers on each scute. Growth rings are often visible as they age. The rear scutes flare outward forming a distinctive “skirt” or margin, which becomes more pronounced in adults—this is the easiest way to identify the species.
• Skin: Thick, dry, and rugged skin adapted for hot Mediterranean climates. Colors range gray, tan, or dark brown. Front legs are heavily scaled and armored for digging and protection. Skin is tougher and drier compared to tropical tortoise species.
• Sexual Dimorphism: Males are usually slightly larger with longer, thicker tails and concave plastrons. Females are rounder with flatter plastrons and shorter tails. Males often develop more dramatic shell flaring and a slightly elongated shell shape compared to females.
• Unique Feature: Pronounced flared rear shell (“marginated skirt”) that extends outward like a bell. This exaggerated shell shape gives the species its name and is unique among European tortoises.

Natural Behavior & Habits

• Behavior– Diurnal grazers, spending most of their day walking, browsing, and feeding on grasses, weeds, leafy plants, and low shrubs. Very active compared to many tortoise species and often roam long distances while foraging.
• Staying Cool– Use shaded shrubs, rocks, burrows, or hides to escape midday heat. They naturally retreat under vegetation or lightly dig into soil rather than soaking. Basking in the morning and late afternoon is common.
• Social– Generally calm and tolerant of other tortoises, but not truly social. Can be housed in groups with space. Males may become territorial or competitive during breeding season and may ram or chase rivals.
• Reproduction– Females dig nests in sandy or loose soil and typically lay 3–8 eggs per clutch. Incubation averages 60–90 days, depending on temperature and humidity.

Care Overview

Creating a natural outdoor enclosure with plenty of sunlight and hiding areas is important. Read our guide on tortoise Enclosure Size Guide for enclosure setup tips.

Enclosure:

• Outdoor keeping is ideal. Provide a secure garden-style pen with plenty of walking space, natural soil, rocks, plants, and shaded shelters. Minimum 8×4 ft for one adult, larger is always better. Here is a quick Outdoor Tortoise Enclosure Guide I made to help new owners.
• Indoor Keeping is great for younger tortoises that are small and vulnerable to outdoor predators like racoons and predatory birds. Be sure to provide a 4×2 foot tortoise table or closed chamber enclosure and always use UVB lighting and basking area. I created this Indoor Tortoise Enclosure Guide just for you.

Temperature:

• Daytime: 75–85°F (24–29°C) is ideal.
• Basking area: 95–100°F (35–38°C).
• Nighttime: 65–72°F (18–22°C) with slight drops being natural and healthy. In cooler weather, provide a heated shelter or bring indoors.

Diet:

• Primarily A proper herbivorous diet made up of weeds, grasses, and leafy greens is essential for tortoise health. See our guide on What Vegetables Can tortoises Eat Everyday to learn more about safe foods.

Water & Humidity:

• Water & Humidity: Provide a shallow water dish daily. They drink regularly but soak less than tropical species. Maintain moderate humidity around 40–60%. Avoid overly wet or swampy conditions—dry, well-draining soil is preferred.
• UVB / Sunlight: Direct natural sunlight is best whenever possible. Indoors, use strong UVB lighting along with a basking bulb to create a proper heat gradient.
• Hydration: is important for digestion and overall health. Learn more about proper hydration in our guide on How Often Should You Soak a Tortoise.

Interesting Facts

• Fact: Marginated tortoises are the largest tortoise species in Europe, growing bigger than Greek, Hermann’s, and Russian tortoises.
• Fact: Their name comes from the flared rear shell (“marginated skirt”), which gives them a unique bell-shaped appearance unlike any other European tortoise.
• Fact: They are excellent climbers and walkers and are often seen roaming rocky hillsides and scrublands in the wild.
• Fact: With proper care, they can live 50–100+ years, making them a true lifetime commitment pet.
• FAQ: Do marginated tortoises hibernate? → Yes. They naturally brumate during winter in cooler climates and may burrow underground for several months.
• FAQ: Are they social? → Generally tolerant of other tortoises, but males can become territorial and competitive during breeding season.

Pro-Tip:

Marginated tortoises are closely related to other Mediterranean tortoise species such as the Greek tortoise.

Resources & Next Steps

If you’re new to tortoise keeping, start with our Beginner’s Guide to Tortoise Care before choosing your species.

• Full Care Guide → /care-guides/
• Diet & Nutrition → /diet/
• Habitat & Enclosures → /habitat/
• Gear Reviews → /gear-reviews/