rexi, Mugilogobius Larson [H. K.] 2001:174, Figs. 174-176 [Records of the Western Australian Museum Suppl. No. 62; ref. 25522] Mouth of Batuopa River, about 3 kilometers south of Timampu, Lake Towuti, Sulawesi, Indonesia. Holotype: MZB 5949. Paratypes: CMK 6205 (18), 6490 (6), 6500 (9); MZB 5940 (10); NTM S.12706-003 (16), S.12707-002 (32), 14702-001 (15). •Valid as Mugilogobius rexi Larson 2001 -- (Kottelat 2013:414 [ref. 32989], Larson et al. 2014:720 [ref. 33557], Miesen et al. 2016:94 [ref. 34492], Parenti 2021:331 [ref. 38603], Kobayashi et al. 2024:10 [ref. 41112]). Current status: Valid as Mugilogobius rexi Larson 2001. Oxudercidae: Gobionellinae. Distribution: Southeast Asia: Lakes Mahalona and TowutiCentral Sulawesi (Indonesia). Habitat: freshwater.