How many living species exist on earth?

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Rakesh Yashroy

Thanks Nils for good anwere and also the link.

Antony Harper

Hi Nils,

Does your estimate include species specific parasite species? If not, wouldn't this consideration at least double your estimate, since every free living species of multicellular eukaryote has at least one endemic parasite and of course parasites have parasites?

Best,

Tony Harper

An earlier estimate was 8.4 million (84 lakh) species in ancient Indian scriptures. Surprisingly, this is close to science figure of 8.7 million (87 lakh).

Mehrdad Khazaei

Human science will not be able to identify all species