Least rasbora explained

The least rasbora or exclamation point rasbora (Boraras urophthalmoides) is a species of ray-finned fish in the genus Boraras, native to freshwater habitats in mainland southeast Asia. This species is very small, ranging from .

Further reading

• Kottelat, M., 1991 - Ichthyological Exploration of Freshwaters 2(2): 177-191. Notes on the taxonomy of some Sundaic and Indochinese species of Rasbora, with description of four new species (Pisces: Cyprinidae).
• Conway, K. W., 2005 - Ichthyological Exploration of Freshwaters 16(3): 249-264. Monophyly of the genus Boraras (Teleostei: Cyprinidae)
• Conway, K. W. and M. Kottelat, 2011 - Zootaxa 3002: 45-51. Boraras naevus, a new species of miniature and sexually dichromatic freshwater fish from peninsular Thailand (Ostariophysi: Cyprinidae).
• Kottelat, M., 2013 - The Raffles Bulletin of Zoology Supplement 27: 1-663. The fishes of the inland waters of southeast Asia: a catalogue and core bibliography of the fishes known to occur in freshwaters, mangroves and estuaries.
• Liao, T. Y., Kullander, S. O. and F. Fang, 2009 - Zoologica Scripta 39(2): 155-176. Phylogenetic analysis of the genus Rasbora (Teleostei: Cyprinidae).
• Mayden, R. L., K. L. Tang, K. W. Conway, J. Freyhof, S. Chamberlain, M. Haskins, L. Schneider, M. Sudkamp, R. M. Wood, M. Agnew, A. Bufalino, Z. Sulaiman, M. Miya, K. Saitoh, and S. He, 2007 - Journal of Experimental Zoology, Molecular Development and Evolution 308B: 1-13. Phylogenetic relationships of Danio within the order Cypriniformes: a framework for comparative and evolutionary studies of a model species.
• Tang, K. L., M. K. Agnew, W. J. Chen., M. V. Hirt, T. Sado, L. M. Schneider, J. Freyhof, Z. Sulaiman, E. Swartz, C. Vidthayanon, M. Miya, K. Saitoh, A. M. Simons, R. M. Wood and R. L. Mayden, 2010 - Molecular Phylogenetics and Evolution 57(1): 189-214. Systematics of the subfamily Danioninae (Teleostei: Cypriniformes: Cyprinidae).