258. Periophthalmus waltoni Koumans, 1941

Common name. Walton's mudskipper

Taxonomy. Original description: Periophthalmus waltoni Koumans, 1941: 288 [Iraq and Pakistan; Syntypes: RMNH 17004 (2), ZSI (4, not found)] .

Revisions. Murdy (1989: 44).

Illustrations. Randall (1995: 341, fig.).

Distribution in Iran. —Distribution in River Basin: Tigris, Persis, Hormuz, Makran.―Distribution in Ecoregions: 442-Upper Tigris & Euphrates, 451-Northern Hormuz Drainages, 452-Caspian Marine, 701-Baluchistan.

Status in Iran. [Native].—Gel khorak-e Walton.—Listed in previous checklists from Iran by Esmaeili et al. (2017 a, 2018); Jouladeh-Roudbar et al. (2020) and Eagderi et al. (2022).—Iran material: ZM-CBSU.

Conservation. —IUCN: LC.