A yau, aƙalla nau'in tsire-tsire 40,000, kifi 2,200, tsuntsaye 1,294, tsuntsaye 427, dabbobi masu shayarwa 428, da dabbobi masu rarrafe 378 an rarraba su a kimiyance a yankin. Ana samun nau'in tsuntsaye ɗaya cikin biyar a cikin gandun daji na Amazon, kuma nau'in kifi ɗaya cikin biyar suna rayuwa a cikin koguna da koguna na Amazon. Masana kimiyya sun bayyana tsakanin nau'in invertebrate 96,660 zuwa 128,843 a cikin Brazil kadai.
96,660 da kuma 128,843