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Devil Ray vs Manta Ray: Size Showdown

Noah Aug 16, 2026 2026-08-16 04:58:21

When discussing the colossal creatures of the deep, two names that often surface are the Manta Ray and the Devil Ray. While both belong to the family of rays and share some striking similarities, a question that frequently arises is: which of the two is larger? Let's dive into a size comparison of these magnificent marine creatures.

two manta ray fish swimming in the blue water with their tails curled around each other
two manta ray fish swimming in the blue water with their tails curled around each other

The Manta Ray and the Devil Ray belong to two separate species, with the former being a part of the Manta genus, and the latter belonging to the Mobula genus. Both species exhibit exceptional size, but one is undeniably larger. Let's explore their sizes in detail.

Spinetail Devil Ray (Mobula mobular) Species Guide — Manta Trust
Spinetail Devil Ray (Mobula mobular) Species Guide — Manta Trust

Wingspan Comparison

One of the most noticeable features of both Manta and Devil Rays is their vast wingspan. This is primarily due to their evolutionary adaptations to glide effortlessly through the water in search of food.

two large animals swimming in the ocean
two large animals swimming in the ocean

The Manta Ray, with a wingspan ranging from 3 to 5 meters, is significantly larger than most of its ray counterparts. The Giant Manta Ray, for instance, can reach up to a massive 7 meters in wingspan. However, it tends to fall short when compared to its Devil Ray cousin.

Devil Ray's Massive Wingspan

New documentary spotlights endangered sicklefin devil rays of the Azores
New documentary spotlights endangered sicklefin devil rays of the Azores

The Devil Ray reclaims the title of the largest ray species. The most prominent species among Devil Rays, the Mobula mobular, can spread its wings up to an astounding 7.6 meters. This impressive wingspan is comparable to some small aircraft and makes it one of the largest fish species worldwide.

Moreover, Devil Rays are not just about the wingspan; they also exhibit remarkable weight. Mobula rays can weigh up to 230 kg, adding to their overpowering presence in the water.

Manta Ray's Goliath Cousin

What are mobulids? | Manta & Devil ray ecology and biology — Manta Trust
What are mobulids? | Manta & Devil ray ecology and biology — Manta Trust

While still substantial, the Giant Manta Ray's 7-meter wingspan pales in comparison to the Devil Ray's 7.6-meter record. It's like comparing a jumbo jet to a small commercial plane. Despite the difference, the Giant Manta Ray is no lighter, usually weighing as much as 1,400 kg, thanks to its sturdy body.

Yet, in terms of size, the Devil Ray remains undeniably larger, making it a formidable force in the ocean's ecosystem.

Body Size and Weight

a woman swimming next to a manta ray in the ocean
a woman swimming next to a manta ray in the ocean

Beyond the wingspan, the size and weight of these rays also vary significantly.

Devil Rays maintain their superiority in size. Their bodies can reach lengths of up to 3.5 meters and bear a more robust build than their Manta counterparts. Combine this with their impressive weight, and you'll find that Devil Rays display a dominance in overall bulk as well.

a manta ray swimming in the ocean
a manta ray swimming in the ocean
two people swimming in the water with their backs to each other
two people swimming in the water with their backs to each other
Spinetail Devil Ray (Mobula mobular)
Spinetail Devil Ray (Mobula mobular)
LIFE UNDER THE WAVES: Photo
LIFE UNDER THE WAVES: Photo
122 devil rays joined in a wild mating ritual that lasted for hours. See it here.
122 devil rays joined in a wild mating ritual that lasted for hours. See it here.
Global manta and devil ray deaths far exceed earlier estimates: Study
Global manta and devil ray deaths far exceed earlier estimates: Study
5 Amazing Facts about Mantas and Devil Rays you need to know
5 Amazing Facts about Mantas and Devil Rays you need to know
Manta rays love bubbles on their bellies
Manta rays love bubbles on their bellies
two people swimming in the ocean with a manta ray on top of corals
two people swimming in the ocean with a manta ray on top of corals

Manta Ray's Hydrodynamic Form

In contrast, Manta Rays boast a more aerodynamic body shape. Their pectoral fins are longer and more pointed, enabling them to swim with greater agility. Despite their size, Manta Rays typically weigh less than their Devil Ray counterparts due to their more streamlined and lighter build.

However, even with these differences, the sheer scale of both rays is enough to leave anyone awestruck. Their gigantic forms exist as a testament to the ocean's vast and wondrous complexity.

As we continue to explore and learn about Earth's dernier depths, creatures like the Manta and Devil Rays remind us of the breathtaking scale and mystery that still lurk beneath the waves. Their story doesn't end here, and it's up to us to preserve these fascinating species and their habitats for future generations to marvel at.