''Microrasbora'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of small

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

es. The generic name means "small Rasbora", however these are more closely related to the

danio ''Danio'' is a genus of small freshwater fish in the family Cyprinidae found in South and Southeast Asia, commonly kept in aquaria. They are generally characterised by a pattern of horizontal stripes, rows of spots or vertical bars. Some species ...

s than

rasbora ''Rasbora'' is a genus of fish in the family Cyprinidae. They are native to freshwater habitats in South and akistan [Southeast Asia, as well as southeast China. A single species, ''R. gerlachi'', is only known from an old Zoological specimen">s ...

s. They inhabit freshwater in Myanmar and Yunnan, China.

Taxonomy

''Microrasbora'', until recently, included a number of described species. ''Danio erythromicron, Microrasbora erythromicron'' was first shown to be a member of the genus ''

Danio ''Danio'' is a genus of small freshwater fish in the family Cyprinidae found in South and Southeast Asia, commonly kept in aquaria. They are generally characterised by a pattern of horizontal stripes, rows of spots or vertical bars. Some species ...

'' in 1999. This move has been confirmed by numerous studies. (2007): Phylogenetic relationships of ''Danio'' within the order Cypriniformes: a framework for comparative and evolutionary studies of a model species. ''Journal of Experimental Zoology B: Molecular and Developmental Evolution'' 308B(5): 1-13. (HTML abstract) 2009. Molecular phylogenetic interrelationships of the south Asian cyprinid genera ''Danio'', ''Devario'', and ''Microrasbora'' (Teleostei, Cyprinidae, Danioninae). Zoologica Scripta 38:237-256. Three other species, '' M. gatesi'', '' M. kubotai'', and '' M. nana'' were moved to a new genus, ''

Microdevario ''Microdevario'' is a small genus of danionin cyprinids. It was recently described to include species previously in the genus '' Microrasbora''. 2009. Molecular phylogenetic interrelationships of the south Asian cyprinid genera ''Danio'', ''Deva ...

'', leaving ''Microrasbora rubescens'' as the only confirmed species in the genus. However, Fang et al. did not comment on the placement of ''Microrasbora microphthalma''.

Species

Two described species are currently included in this genus: * '' Microrasbora microphthalma'' Y. E. Jiang, X. Y. Chen & J. X. Yang, 2008 * ''

Microrasbora rubescens Red dwarf rasbora (''Microrasbora rubescens'') is a species of cyprinid found endemic to Lake Inle in Shan State in Myanmar. It belongs to the genus ''Microrasbora'', which contains two small species of danionins. 2009. Molecular phylogenetic in ...

'' Annandale, 1918 (red dwarf rasbora) Species of uncertain affinity: * ''Microrasbora'' cf. ''rubescens'' "Thuzari" – Glowlight Rasbora, Flame Red Rasbora; tentatively placed here (2008)
The Glowlight Rasbora (''Microrasbora'' sp. "thuzari")
Retrieved 2008-JAN-23.

References

Freshwater fish genera Taxa named by Nelson Annandale {{Cyprinidae-stub