Is there a fish called X-Ray Fish?

Is a ray a fish or a fish?

ray, any of the cartilaginous fishes of the order Batoidei, related to sharks and placed with them in the class Chondrichthyes. The order includes 534 species. Rays are distinguished from sharks by a flattened, disklike body, with the five gill openings and the mouth generally located on the underside.

When was the X-ray tetra fish first discovered?

They were first described by Ulrey in 1894 and have since become one of the most popular freshwater Fish kept in artificial aquariums today. Although the X-Ray Tetra fish is the only known species in its genus, it is closely related to other small and colourful South American Fish, including the nearly 100 other Tetra species.

What is an X-ray fish?

It is a unique fish called X-ray fish since it has a see-through, translucent body found in the Amazon basins. These are small schooling aquatic fish with translucent skin. One can see their skeleton from outside. These are highly aquatic frogs with brown markings on its body and have toxic properties.

What type of fish is an eagle ray?

Common Eagle Ray The common eagle ray ( Myliobatis aquila) is a species of fish in the family Myliobatidae. It inhabits the eastern Atlantic Ocean (The North Sea to South Africa), the Mediterranean Sea and the south-western Indian Ocean. This ray reaches up to 183 cm long and has a disc width up to 80 cm.

Is a stingray a fish or a fish?

Ray, any of the cartilaginous fishes of the order Batoidei, related to sharks and placed with them in the class Chondrichthyes. The order includes 534 species. blue-spotted stingrayBlue-spotted stingray (Dasyatis kuhlii).J. Hutsch.

What is the classification of a ray fish?

Ray, any of the cartilaginous fishes of the order Batoidei, related to sharks and placed with them in the class Chondrichthyes. The order includes 534 species. skates, rays, and chimaeras. The class is one of the two great groups of living fishes, the other being the osteichthians, or bony fishes.

Do all fish have branching rays?

All living actinopterygians except bichirs and reedfishes (Order Polypteryformes) also have branching rays in unpaired fins. Modified the ancestral fish character of a breathing lung into a swim bladder to aid and adjust buoyancy.

Is a guitarfish a ray?

The guitarfishes are a group of fishes that are closely related to the rays and are either classified as a separate order (Rhinobatiformes) or as a suborder (Rhinobatoidei) of the ray order (Batoidei). For more information on species and groups of rays, see manta ray; electric ray; guitarfish; sawfish; skate; stingray.

What is the lifespan of an X ray fish?

1 X ray fish are also known as Pristella maxillaris, Golden Pristella Tetra, X ray Tetra, Pristella Tetra, and Water Goldfinch. 2 Their name comes from the fact that their skin is usually translucent, allowing you to see their spine. 3 They grow up to about 1.8 inches in length. 4 They have a lifespan of 4 to 5 years or longer. More items…

What is the classification of an X ray tetra?

X-Ray Tetra Classification and Evolution. The X-Ray Tetra is a small species of schooling Fish that is naturally found in the Amazon River’s coastal waters in South America. The X-Ray Tetra is also known as the Golden Pristella Tetra and the Water Goldfinch due to the faint golden colouration of their translucent skin.

What is the shape of eagle ray?

They are rhomboidal in shape with triangular “wings,” rather than rounded like many other stingrays. Some commonly known members of the Myliobatidae (eagle ray) family are devil rays, manta rays, spotted eagle rays, and cow nose rays. Read on to learn about the eagle ray.

What kind of fish is an eagle ray?

These eagle rays belong to a family of fish called the Myliobatidae, which includes all other types of eagle rays and also manta rays. Rays belong to the same group of fish as sharks – animals that have cartilaginous skeletons. Here’s everything you need to know about South African sharks.

What is a spotted eagle ray?

The spotted eagle ray ( Aetobatus narinari) is a cartilaginous fish of the eagle ray family, Myliobatidae. As traditionally recognized, it is found globally in tropical regions, including the Atlantic, Pacific and Indian Oceans.

Why are freshwater stingrays more dangerous than marine stingrays?

The stinging cells of freshwater stingray branch out beyond the lateral grooves to cover a larger surface area along the entire blade. Due to this large area and an increased number of proteins within the cells, the venom of freshwater stingrays has a greater toxicity than that of marine stingrays.

Is a stingray a demersal fish?

Stingray. The river stingrays, and a number of whiptail stingrays (such as the Niger stingray ), are restricted to fresh water. Most myliobatoids are demersal (inhabiting the next-to-lowest zone in the water column ), but some, such as the pelagic stingray and the eagle rays, are pelagic.

Where do stingrays live?

The stingrays are a family of rays, which are cartilaginous fish (fish with cartilage) related to sharks. They are common in coastal tropical and subtropical marine waters throughout the world, with some even entirely restricted to fresh water. However, nearly all sting rays live on the sandy floors of the bottom of the ocean.

What is a stingray?

The stingrays are a family of rays, which are cartilaginous fish (fish with cartilage) related to sharks. They are common in coastal tropical and subtropical marine waters throughout the world, with some even entirely restricted to fresh water.

What is the taxonomy of a fish?

Taxonomy 1 Class Agnatha (jawless fish) Subclass Cyclostomata ( hagfish and lampreys) Subclass Ostracodermi (armoured jawless fish) † 2 Class Chondrichthyes (cartilaginous fish) Subclass Elasmobranchii ( sharks and rays) Subclass Holocephali ( chimaeras and extinct relatives) 3 Class Placodermi (armoured fish) † Plus d’articles…

What are the 4 classifications of fish?

1 Class Placodermi † (armoured fish) 2 Class Chondrichthyes (cartilaginous fish) 3 Class Acanthodii † (spiny sharks) 4 Superclass Osteichthyes (bony fish) Class Actinopterygii (ray-finned fish) Subclass Chondrostei Order Acipenseriformes ( sturgeons and paddlefishes) Order Polypteriformes ( reedfishes and bichirs ).

What are ray-finned fish classified as?

Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Around 99% of living fish species are ray-finned fish, belonging to the class Actinopterygii, with over 95% belonging to the teleost subgrouping.

What are the characteristics of rays?

All other types of rays, which lack electric organs, generally have a rough skin, often bearing strong spines. The sawfishes (family Pristidae) have a snout that is modified into a long blade possessing a series of strong teeth on each side. About six species are known from warm seas, frequenting sandy shores and estuaries.

How many types of rays are there in the ocean?

About 20 species are known to inhabit warm seas, with some reaching a weight of 200 pounds (90 kg). All other types of rays, which lack electric organs, generally have a rough skin, often bearing strong spines.