Oryzias Haugiangensis (Oryzias haugiangensis) is a ray-finned fish of the family Adrianichthyidae. It inhabits freshwater waters. This species can reach a maximum total length of 2.1 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.
Dorsal soft rays (total): 6 - 7; Anal soft rays: 19 - 22; Vertebrae: 27 - 28. Principal caudal fin rays 5/6.: elongated.
Behavioural data for Oryzias Haugiangensis is currently being reviewed.
Freshwater; brackish; benthopelagic. Tropical known only from the Mekong delta.
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