Rotuma lewisi, or Lewis's wriggler, is a species of fish in the family Xenisthmidae, which is regarded as a synonymous with the Eleotridae.

[3] Rotuma is a monotypic genus.

[4] The generic name refers to the volcanic island of Rotuma, north of Fiji while the specific name honours Anthony D. Lewis, a Fisheries Officer of the Government of Fiji who supported Springer's field work in Fiji.

[5] It has been recorded from Fiji, Tonga, the Santa Cruz Islands, the Comoros Islands, and the Chesterfield Islands.

This Eleotridae-related article is a stub.