arcuatus, Gogo Ng [H. H.] & Sparks [J. S.] 2005:313, Fig. 10. [Ichthyological Exploration of Freshwaters v. 16 (no. 4); ref. 28397] Andriambondro River, 16 kilometers north of Karianga at town of Mahevelo, tributary of Rienna River, 22°21'47"S, 47°22'05"E, Fianarantsoa Province, Madagascar. Holotype: UMMZ 238042. Paratypes: AMNH 235217 (1). Type catalog: Ferraris 2007:29 [ref. 29155], Fricke et al. 2018:60 [ref. 35805]. •Valid as Gogo arcuatus Ng & Sparks 2005 -- (Ferraris 2007:29 [ref. 29155], Ng et al. 2008:399 [ref. 29632], Fricke et al. 2018:60 [ref. 35805]). Current status: Valid as Gogo arcuatus Ng & Sparks 2005. Anchariidae. Distribution: Andriambondro River drainage, eastern Madagascar. Habitat: freshwater.