Gastromyzon Praestans (Gastromyzon praestans), first described by Tan, 2006 is a small fish in the family Balitoridae (order Cypriniformes). Adults typically reach 5.50 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): 8 - 9; Anal soft rays: 5 - 6; Vertebrae: 28. Can be distinguished from other species of the genus by possessing the following unique combination of characters: gill slit angular; subopercular groove present and not continuous to pectoral fin origin; body dark brown or bluish dark, dorsum with 6 thin cream bars, dorsal fin base always with 1 bar, side with complete or interrupted bars; head dorsum dark brown or bluish black with cream spots; sublacrymal groove present; a rounded snout when viewed dorsally; secondary rostrum absent; post-oral pouch absent; abdomen without scales; lateral line scales 56-70; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin .: elongated.
Behavioural data for Gastromyzon Praestans is currently being reviewed.
Freshwater; demersal. Tropical
The following diseases are known to affect Gastromyzon Praestans.
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