- Emoia mokolahi Zug, Ineich, Pregill & Hamilton, 2012
- Holotype: USNM 333684, adult female, collected by George R. Zug, 10 November 1993.
- Type locality: Kingdom of Tonga, Vava‘u group, Vava‘u (Island), approximately 1 km W of Neiafu (∼18° 39′ S, 173° 59′ W), south side of Mt. Talau.
- Etymology: The name derives from two Tongan words, lahi (adjective) for big and moko (noun) for lizard, hence mokolahi (following Tongan word order) refers to this taxon being the largest extant skink in the Tongan Islands.