Gastromyzon Russulus (Gastromyzon russulus), first described by Tan, 2006 is a small fish in the family Balitoridae (order Cypriniformes). Adults typically reach 6.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds primarily on plankton, plant material, and detritus. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Balitoridae kept in the hobby.
Dorsal soft rays (total): 9; Anal soft rays: 5; Vertebrae: 31 - 32. Can be distinguished from its congeners by possessing the following unique combination of characters: body plain dark brown or black in adults, body brown with numerous thin cream bars and blotches in juveniles; head dorsum dark brown with cream reticulate pattern; all fins reddish when alive; absence of secondary rostrum; absence of a postoral pouch; gill slit angular, subopercular groove present and continuous to pectoral fin origin; a rounded and elongate snout when viewed dorsally; presence of sublacrymal groove; abdomen without scales; lateral line with 64-71 scales; pelvic fin just touching anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin .: elongated.
Behavioural data for Gastromyzon Russulus is currently being reviewed.
Freshwater; demersal. Tropical
The following diseases are known to affect Gastromyzon Russulus.
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