Freshwater lamprey and fishes of Iran: Reappraisal and updated checklist with a note on Eagderi et al. (2022) Author Sayyadzadeh, Golnaz 0000-0003-0758-6502 Department of Biology, Faculty of Sciences, Lorestan University, 6815144316 Khorramabad, Iran. g. sayyadzadeh 92 @ gmail. com; https: // orcid. org / 0000 - 0003 - 0758 - 6502 g.sayyadzadeh92@gmail.com Author Esmaeili, Hamid Reza 0000-0002-9736-397X Ichthyology and Molecular Systematics Research Laboratory, Zoology Section, Department of Biology, School of Science, Shiraz University, Shiraz, Iran. hresmaeili @ shirazu. ac. ir; https: // orcid. org / 0000 - 0002 - 9736 - 397 X * Corresponding authors & Department of Biology, Faculty of Sciences, Lorestan University, 6815144316 Khorramabad, Iran. g. sayyadzadeh 92 @ gmail. com; https: // orcid. org / 0000 - 0003 - 0758 - 6502 hresmaeili@shirazu.ac.ir text Zootaxa 2024 2024-01-17 5402 1 1 99 http://dx.doi.org/10.11646/zootaxa.5402.1.1 journal article 10.11646/zootaxa.5402.1.1 1175-5334 10524097 F8A2EFAB-C50C-400B-AE24-0684EF47F39D 55. Paracobitis rhadinaea (Regan, 1906) Common name. Sistan loach Taxonomy. Original description: Nemacheilus rhadinaeus Regan, 1906: 8 [ Helmand River basin, Seistan; syntypes : BMNH 1905.11.29.28-29 (2); ZSI F1240 /1 (1)] . Revisions. Bănărescu & Nalbant, 1995: 443 as Paracobitis rhadinaeus , Freyhof et al. (2014: 21) , and Sayyadzadeh et al. (2019a) . Illustrations. Freyhof et al. (2014: 22 , fig. 10), Sayyadzadeh et al. (2019a: 223 , figs. 1-3). Distribution in Iran : —Distribution in River Basin: Sistan.—Distribution in Ecoregions: 702-Helmand–Sistan. Status in Iran . [Endemic].—Loch mahi-e tajdar-e Sisitan.—Recorded by Sayyadzadeh et al. (2019a) and listed in previous checklist by Eagderi et al. (2022) .—Iran material: ZM-CBSU. Conservation. —IUCN: NE (2023).