Sealife guideRays: graceful gliders of the seaMarine vertebrates
Last updated on 08/22/2025 at 10:42 PM
Rays, just like sharks, are fish with the unique feature of having a cartilaginous skeleton. They are part of the elasmobranchs, a subclass of cartilaginous fish grouped within the class Chondrichthyes.
Classification
Rays are classified into three main orders, namely:
- the order Myliobatiformes12 species
- the order Rajiformes2 species
- the order Torpédiniformes5 species
Fantail stingray
(Pastinachus sephen)
(Pastinachus sephen)
Reef manta ray
(Mobula alfredi)
(Mobula alfredi)
Spotted eagle ray
(Aetobatus ocellatus)
(Aetobatus ocellatus)
Yellow stingray
(Urobatis jamaicensis)
(Urobatis jamaicensis)
Big skate
(Raja binoculata)
(Raja binoculata)
Thornback ray
(Raja clavata)
(Raja clavata)
Blackspotted electric ray
(Torpedo fuscomaculata)
(Torpedo fuscomaculata)
Bullseye electric ray
(Diplobatis ommata)
(Diplobatis ommata)
Lesser electric ray
(Narcine bancroftii)
(Narcine bancroftii)
Panther electric ray
(Torpedo panthera)
(Torpedo panthera)
Description
Rays are characterized by a flattened body that extends on each side into large pectoral fins called “wings.” The body and pectoral fins form a single continuous structure. Unlike sharks, the gill slits are located on the ventral side of the ray and number five pairs for most species.
The yellow stingray has a flattened, oval-shaped body
Rays display colors and patterns that allow them to blend easily with their surroundings.
Geographic range and habitat
Rays are found in all seas and oceans across the globe, at all latitudes and depths: from warm tropical waters to icy polar regions, from shallow coastal waters and coral reefs to deep waters!
While most rays live on or buried in the seafloor, some species are pelagic, such as the manta ray or eagle rays.
Diet
Rays remain camouflaged in their environment to avoid predators and to ambush their prey more effectively.
The manta ray feeds on plankton
Rays have a very varied diet. Their menu mainly includes benthic species such as gastropods, shellfish and crustaceans, while the manta ray feeds exclusively on plankton.
Reproduction
In most fish, fertilization is external, occurring after the release of male and female gametes into the seawater. However, rays, like sharks, are an exception to this rule and exhibit internal fertilization.
A ray egg case washed up on a beach in Vendée, France
All rays exhibit internal fertilization, but the development and nourishment of the embryo vary depending on the species. Some rays are oviparous, while others are ovoviviparous.
Did you know ?
- The manta ray is the largest ray in the world, reaching up to 30 feet in length for the largest individuals!
- Some ray species have a stinger at the base of the tail, whose sting can be painful and sometimes even lethal.
- Rays are capable of leaping out of the water !
Discover rays
Atlantic guitarfish
(Rhinobatos lentiginosus)
(Rhinobatos lentiginosus)
Banded guittar fish
(Zapteryx exasperata)
(Zapteryx exasperata)
Beaked guitarfish
(Rhinobatos schlegelii)
(Rhinobatos schlegelii)
Big skate
(Raja binoculata)
(Raja binoculata)
Black blotched stingray
(Taeniura meyeni)
(Taeniura meyeni)
Blackspotted electric ray
(Torpedo fuscomaculata)
(Torpedo fuscomaculata)
Blue spotted stingray
(Neotrygon kuhlii)
(Neotrygon kuhlii)
Bullseye electric ray
(Diplobatis ommata)
(Diplobatis ommata)
Halavi guitarfish
(Glaucostegus halavi)
(Glaucostegus halavi)
Ocellate torpedo
(Torpedo torpedo)
(Torpedo torpedo)
Pacific white-spotted eagle ray
(Aetobatus laticeps)
(Aetobatus laticeps)
Reef manta ray
(Mobula alfredi)
(Mobula alfredi)
Ribbontail stingray
(Taeniura lymma)
(Taeniura lymma)
Southern stingray
(Dasyatis americana)
(Dasyatis americana)
Spotted eagle ray
(Aetobatus ocellatus)
(Aetobatus ocellatus)
Thornback ray
(Raja clavata)
(Raja clavata)
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