Sky Blue Borneo sucker (Gastromyzon aeroides) is a ray-finned fish of the family Balitoridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 4.6 cm. With a trophic level of 2.4, it is an omnivore, consuming both plant and animal matter. It is assessed as Least Concern on the IUCN Red List.
Dorsal soft rays (total): 8; Anal soft rays: 4; Vertebrae: 29 - 32. Distinguished from its congeners in possessing the following unique combination of characters: angular gill slit; subopercular groove present and continuous to pectoral fin origin; body, including dorsum, brown; head dorsum with very fine cream reticulate pattern (similar to a cream head with brown spots and blotches); dorsal, caudal and anal fins blue in life; presence of sublacrymal groove; snout rounded when viewed dorsally; absence of secondary rostrum; absence of postoral pouch; scales absent on belly; 47-65 scales in lateral line (Sabah population: 56-65, Brunei population: 47-49); pelvic fin not overlapping level of anal fin origin, adpressed dorsal fin falling short of level of anal fin origin .: elongated.
Behavioural data for Sky Blue Borneo sucker is currently being reviewed.
Diet information for Sky Blue Borneo sucker is currently being compiled.
Reproduction data for Sky Blue Borneo sucker is currently being compiled.
Freshwater; demersal. Tropical
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