Collected from a small stream, wider than 2 m, about 30 cm deep, with relatively fast current, running through an open cultured area. Bottom composed of substrate rock, sand, leaf litter and mud .
Dorsal spines (total): 15 - 16; Dorsal soft rays (total): 6 - 8; Anal soft rays: 7; Vertebrae: 25 - 27. A small fish not exceeding 2.2 cm SL. Transverse scale row 9.5. Vertebrae usually 26. Palatine teeth present. Anguloarticular lateralis canal absent. Males with a black blotch anteriorly in dorsal fin. Stripes on side of head absent. Body color uniform or with weak reticulate pattern formed by dark scale margins; no vertical bars; no caudal, cleithral or opercular blotches .: fusiform / normal; Cross section: compressed.
Behavioural data for Dario Dayingensis is currently being reviewed.
Freshwater; benthopelagic. Subtropical
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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