animal kingdom they are fish
the name is Pristella Maxillaris :)
The X-ray tetra (Pristella maxillaris) are found in coastal rivers of the Guianas as well as the Amazon and Orinoco basins of South America.
The X-ray fish, Pristella maxillaris, is also known as a goldern pristella tetra or X-ray tetra and can be found wild in South America. A popular aquarium species, it is so called because a large part of its body is transparent. There's a picture of one at http://upload.wikimedia.org/wikipedia/commons/c/c4/Pristella_maxillaris.jpg
X-ray fish, or x-ray tetra, is a name usually given to the small tetra Pristella maxillaris (or Pristella riddlei). The term X-Ray Fish is sometimes applied to other transparent species such as glass catfish. Yes, many people have seen all of the species mentioned here.
the scientific name for the black tetra is Gymnocorymbus ternetzi
Pristella maxillaris was created in 1894.
the scientific name for the Black neon tetra fish is Hyphessobrycon herbertaxelrodi
the scientific name for the bleeding heart tetra fish is Hyphessobrycon erythrostigma
the scientific name for the blood fin tetra fish is Aphyocharax anisitsi
the Black phantom tetra fish is scientifically called Hyphessobrycon megalopterus
Yes and no. The x-ray fish, Pristella maxillaris, is a tetra and all tetras lay eggs that hatch into baby fish. They do not have live born baby fish like a guppy, molly or swordtail would.
Paracheirodon innesi?