Amazing species unknown to the outside world are being discovered in the Amazon rainforest at a rate of one every three days, the environment group WWF said.
An anaconda as long as a limousine, a giant catfish that eats monkeys, a blue fanged spider and poisoned dart frogs are among the 1,220 animals and plants to have been newly found from 1999 to 2009, according to the report.
Among the new mammals found was a pink river dolphin.
This blue-fanged spider was among the 1200 species found. (WWF)
Pyrilia aurantiocephala - a member of the true parrot family has an extraordinary bald head.
A 4m anaconda as long as a limousine.
A ghost knifefish was among the new species found.
A 'tiger-striped' tarantula found in Rio Branco, Brazil.
A frog with an incredible burst of flames on its head.
The amazing orange-necked Gonatodes alexandermendesi.
The Ameerega pepperi or dart frog.
The species of pink river dolphin found in Bolivia .
A giant catfish that eats monkeys.