filamentosus, Parosphromenus Vierke [J.] 1981:363, Figs. 1-2 [Senckenbergiana Biologica v. 61 (nos 5/6) (1980); ref. 8531] Swampy terrain along the road between Bandjarmasin and Pleihari, Kalimantan, Borneo, Indonesia. Holotype: SMF 15552. Paratypes: SMF 15553-54 (2). Species is also described as new in Vierke 1982:122 [ref. 8405]. •Valid as Parosphromenus filamentosus Vierke 1981 -- (Vierke 1986:108 [ref. 36452], Vierke 1988:152 [ref. 36453], Kottelat et al. 1993:164 [ref. 23448], Kottelat & Ng 2005:109 [ref. 28282], Schindler & Linke 2012:399 [ref. 32321], Kottelat 2013:455 [ref. 32989], Shi et al. 2021:82 [ref. 38722]). Current status: Valid as Parosphromenus filamentosus Vierke 1981. Osphronemidae: Macropodusinae. Distribution: Barito and Kahayan River basins, Kalimantan Tengah, Indonesia. Habitat: freshwater.