There was, but the sage of the six path split it into 9 tailed beasts. Now there are only 9 demons featured in naruto - http://naruto.wikia.com/wiki/Demons - there is the list for you. No more information on the ten tailed beast, Jubi, is given.
the nine tailed fox demon is the strongest now, but in manga Madara Uchiha aka Tobi says that all the tailed beasts were once the chakra of the ten tailed beast called juubi.
The Sage of the Six Paths split the Ten Tailed Beast into nine different tailed beasts, so he created the Nine Tailed Demon Fox.
The Sage of the Six Paths split the Ten Tailed Beast into nine different tailed beasts, so he created the Nine Tailed Demon Fox.
shukaku the one tailed beast
Actually, he is all of the tailed beasts put together. The host of the Ten Tailed Demon was the Sage of the Six Paths. He split the demon up into nine tailed beasts so it could not destroy the world. Madara Uchiha plans to use the tailed beasts to merge them back into the Ten Tailed Beast, become its host, and cast an Infinite Tsukuyomi into the sky, putting the entire world under his control. His plan is called the Moon's Eye Plan.
It is nine tails or the Kyuubi. However, Madar uchiha said that all the tailed beasts are fragments of the ten tailed beast called as the Juubi. However, till now there has been no physical proof of it.
yuhu
If I remember correctly the first tailed beast they collected was Gaara, the Shukaku. The first one they attempted to retrieve was Naruto, The nine-tailed demon fox, or Kyubi.
Scorpion
No, the akatsuki was going to gather all 9 tails to create juubi the ten tailed beast, but that's wen madara declared the 4th ninja war and stopped them from creating juubi
Yes. According to 'Madara' [masked guy] in volume 49 of the manga, there is a ten-tailed beast. It is formed when you combine the nine tailed beasts.
A bijuu is a tailed beast and considered q demon in the World of Naruto. Japanese mythology also makes references to this beast.