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Dory is a Blue Tang fish.See Related Links below for a real blue tang fish.
The Blue Tang changes colors as it matures.
The Blue Tang does not migrate. It lives on the reefs and eats algae.
a powder blue tang is a saltwater fish, it is also known as a powder blue surgeon fish. if you have seen Finding Nemo, this fish is the same thing as Dori. Actually dori is called a hippo or blue tang, and is not at all the same as a powder blue tang.
Thankfully, The Tang Does Not Have Predators.
The latin name of the blue tang is Paracanthurus Hepatus.The latin name of the Atlantic blue tang fish is Acanthurus coeruleus.
They are bluish with a hint of tang!!
"tang" refers to the sharp spines on the fish's tail, and blue is of course its main coloring.
Paracanthurus hepatus (Pacific blue tang)
There are two species, in two different genera, called "blue tang." The Atlantic blue tang is in the genus Acanthurus (species, Acanthurus coeruleus). The blue tang native to the Pacific and Indian Oceans is in the genus Paracanthurus (species Paracanthurus hepatus). This is the one that is more popular as a marine aquarium fish. It is also called the regal tang, blue surgeonfish, hippo tang, palette surgeonfish, or flagtail surgeonfish. Both of these blue tangs are in the family Acanthuridae, the surgeonfishes. For more information: http://en.wikipedia.org/wiki/Acanthuridae http://en.wikipedia.org/wiki/Acanthurus_coeruleus http://en.wikipedia.org/wiki/Paracanthurus_hepatus
Pacific Regal Blue Tang (Paracanthurus hepatus)
The blue tang, either Pacific (Regal), Atlantic, or Powder, do help the environment by consuming algae.