Nomaua taranga is a species of Physoglenidae spider endemic to New Zealand.

[1] This species was described in 2009 by Mike Fitzgerald and Phil Sirvid from male and female specimens.

[1] The holotype is stored in Te Papa Museum under registration number AS.001500.

[1] This species is only known from Hen Island in New Zealand.

[1] Under the New Zealand Threat Classification System, this species is listed as "Data Deficient" with the qualifiers of "Data Poor: Size", "Data Poor: Trend", "Island Endemic" and "One Location".