FAMILY Sundadanionidae Mayden & Chen 2010 - tiny danios GENUS Fangfangia Britz et al., 2012 - tiny danios [=Fangfangia Britz [R.], Kottelat [M.] & Tan [H. H.], 2012:330] Notes: [ref. 31754]. Fem. Fangfangia spinicleithralis Brits, Kottelat & Tan, 2012. Type by original designation (also monotypic). •Valid as Fangfangia Britz, Kottelat & Tan, 2012 -- (Kottelat 2013:102 [ref. 32989]). Current status: Valid as Fangfangia Britz, Kottelat & Tan, 2012. Sundadanionidae.

Species Fangfangia spinicleithralis Britz et al., 2012 - Sebangau tiny danio (author) [=Fangfangia spinicleithralis Britz [R.], Kottelat [M.] & Tan [H. H.], 2012:330, Figs. 1-3a-b] Notes: [Ichthyological Exploration of Freshwaters v. 22 (no. 4); ref. 31754] Sebangau drainage, Sebangau River, peat swamp forest, backwater drainage canal, north side upstream from village, 2°17'44"S, 113°52'17"E, Kalimantum Tengah, Borneo, Indonesia. Current status: Valid as Fangfangia spinicleithralis Britz, Kottelat & Tan, 2012. Sundadanionidae. Distribution: Sebangau drainage, Kalimantan Tengah, Borneo, Indonesia. Habitat: freshwater.

GENUS Sundadanio Kottelat & White, 1999 - tiny danios [=Sundadanio Kottelat [M.] & Witte [K.-E.], 1999:54] Notes: [ref. 23898]. Masc. Rasbora axelrodi Brittan, 1976. Type by original designation (also monotypic). See Fang 2001:17 [ref. 25288]. •Valid as Sundadanio Kottelat & Witte, 1999 -- (Fang 2003:717 [ref. 27255], Liao et al. 2009:155 [ref. 30521], Tang et al. 2010:202 [ref. 31204], Liao et al. 2011:33 [ref. 31316], Conway et al. 2011:252 [ref. 31697], Britz et al. 2012:327 [ref. 31754], Kottelat 2013:165 [ref. 32989], Britz et al. 2014:585 [ref. 35438], Stout et al. 2016:8 [ref. 35057] in Sundadanionidae). Current status: Valid as Sundadanio Kottelat & Witte, 1999. Sundadanionidae.

Species Sundadanio atomus Conway et al., 2011 - Singke Island tiny danio (author) [=Sundadanio atomus Conway [K. W.], Kottelat [M.] & Tan [H. H.], 2011:265, Figs. 12-13] Notes: [Ichthyological Exploration of Freshwaters v. 22 (no. 3) [for Sept.]; ref. 31697] Singke Island, Sumatra. Current status: Valid as Sundadanio atomus Conway, Kottelat & Tan, 2011. Sundadanionidae. Distribution: Palau Singkep, Sumatra. Habitat: freshwater.

Species Sundadanio axelrodi (Brittan, 1976) - Axelrod's tiny danio (author) [=Rasbora axelrodi Brittan [M. R.], 1976:94, Fig.] Notes: [Tropical Fish Hobbyist v. 25 (no. 4); ref. 7366] Sumatra, Indonesia (aquarium import). Current status: Valid as Sundadanio axelrodi (Brittan, 1976). Sundadanionidae. Distribution: Bintan Island, Sumatra. Habitat: freshwater.

Species Sundadanio echinus Conway et al., 2011 - Sungei Pinyuh tiny danio (author) [=Sundadanio echinus Conway [K. W.], Kottelat [M.] & Tan [H. H.], 2011:274, Figs. 21-22] Notes: [Ichthyological Exploration of Freshwaters v. 22 (no. 3) [for Sept.]; ref. 31697] Sungei Pinyuh, 8 km southeast of Anjungan on road to Pontianak, West Kalimantan, Borneo. Current status: Valid as Sundadanio echinus Conway, Kottelat & Tan, 2011. Sundadanionidae. Distribution: West Kalimantan, Borneo, Indonesia. Habitat: freshwater.

Species Sundadanio gargula Conway et al., 2011 - Bangka Island tiny danio (author) [=Sundadanio gargula Conway [K. W.], Kottelat [M.] & Tan [H. H.], 2011:266, Fig. 14] Notes: [Ichthyological Exploration of Freshwaters v. 22 (no. 3) [for Sept.]; ref. 31697] Bangka Island, blackwater stream in peat swamp forest, 5.5 km north of Payung on road to Pangkalpinang, Sumatra, Indonesia. Current status: Valid as Sundadanio gargula Conway, Kottelat & Tan, 2011. Sundadanionidae. Distribution: Bangka Island, Sumatra. Habitat: freshwater.

Species Sundadanio goblinus Conway et al., 2011 - Jambi tiny danio (author) [=Sundadanio goblinus Conway [K. W.], Kottelat [M.] & Tan [H. H.], 2011:268, Figs. 16-17] Notes: [Ichthyological Exploration of Freshwaters v. 22 (no. 3) [for Sept.]; ref. 31697] Jambi, Berbak (Batang Hari basin), Sumatra. Current status: Valid as Sundadanio goblinus Conway, Kottelat & Tan, 2011. Sundadanionidae. Distribution: Jambi Province, central Sumatra. Habitat: freshwater.

Species Sundadanio margarition Conway et al., 2011 - Sibu tiny danio (author) [=Sundadanio margarition Conway [K. W.], Kottelat [M.] & Tan [H. H.], 2011:278, Figs. 27-29] Notes: [Ichthyological Exploration of Freshwaters v. 22 (no. 3) [for Sept.]; ref. 31697] Sibu, Sungei Nibung, just north of Durin bridge over Rajang River, 2°10'04.98"N, 112°00'55.50"E, Sarawak, Malaysia. Current status: Valid as Sundadanio margarition Conway, Kottelat & Tan, 2011. Sundadanionidae. Distribution: Sarawak, Malaysia. Habitat: freshwater.

Species Sundadanio retiarius Conway et al., 2011 - Kumai tiny danio (author) [=Sundadanio retiarius Conway [K. W.], Kottelat [M.] & Tan [H. H.], 2011:275, Figs. 24-25] Notes: [Ichthyological Exploration of Freshwaters v. 22 (no. 3) [for Sept.]; ref. 31697] Kumai drainage, Sungei Nyeri, backwater stream near Kampung Seitendang, 2°42.730'S, 111°43.274'E, Kalimantan Tengah, Borneo, elevation 12 meters. Current status: Valid as Sundadanio retiarius Conway, Kottelat & Tan, 2011. Sundadanionidae. Distribution: Central Kalimantan, Borneo, Indonesia. Habitat: freshwater.

Species Sundadanio rubellus Conway et al., 2011 - Ambawang tiny danio [=Sundadanio rubellus Conway [K. W.], Kottelat [M.] & Tan [H. H.], 2011:270, Figs. 18-19] Notes: [Ichthyological Exploration of Freshwaters v. 22 (no. 3) [for Sept.]; ref. 31697] Ambawang, West Kalimantan, Borneo, Indonesia. Current status: Valid as Sundadanio rubellus Conway, Kottelat & Tan, 2011. Sundadanionidae. Distribution: Southern Kapuas River Delta, West Kalimantan, Borneo, Indonesia. Habitat: freshwater.