Fluviphylax rubens, Huber, 2024

Fluviphylax rubens new species

Fluviphylax rubens n. sp. ( Figs 3 View Figure 3 , 4 View Figure 4 ; Tab. I)

Holotype

CIUA 7702 , male, 12.4 mm SL, 16.0 mm TL, from Tiriquin, in a small tributary of Río Negro , at border with Venezuela, Guainia dpt., altitude 88 m, southern Colombia (locality code COGCGM 22-07, GPS data: 2.321N, 67.202W), Vasco Gomes coll., 17 Feb. 2022. GoogleMaps

Paratypes

MNHN 2022-0255 About MNHN , 2 About MNHN spms of undisclosed sex ( 13.2 mm SL, 18.2 mm TL and 13.8 mm SL, 17.6 mm TL), same data as holotype GoogleMaps . CIUA 7703 , 3 spms of undisclosed sex ( 15.8 mm SL, 20.2 mm TL and 12.4 mm SL, 16.2 mm TL and 13.2 mm SL, 16.8 mm TL), from Guamirsa, further north of Tiriquin, in a small tributary of the same river, northeast of Puerto Colombia, Guainia dpt., Guamirsa , altitude 106 m, southern Colombia (locality code COGCGM 22-10, GPS data: 2.938N, 67.839W), Vasco Gomes coll., 19 Feb. 2022 GoogleMaps .

Diagnosis

Separated from all known congeners by a lower number of rays at dorsal fin (4 or 5, vs. always with medians well above 5 in other