Rasbora

Rasbora is a genus of fish in the family Cyprinidae.[1] They are native to freshwater habitats in South and Southeast Asia, as well as southeast China.[1] A single species, R. gerlachi, is only known from an old specimen that reputedly originated from Africa (Cameroon), but this locality is considered doubtful.[2] They are small, up to 17 cm (6.7 in) long, although most species do not surpass 10 cm (4 in) and many have a dark horizontal stripe.[1]

Rasbora
Silver rasbora (Rasbora argyrotaenia)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Subfamily: Danioninae
Genus: Rasbora
Bleeker, 1859
Type species
Rasbora cephalotaenia
Bleeker, 1852
Species

over 80, see text

Several species are regularly kept in aquariums. As a common English name, "rasbora" is used for many species in the genus Rasbora, as well as several species in genera Brevibora, Boraras, Megarasbora, Metzia, Microdevario, Microrasbora, Rasboroides, Rasbosoma, Sawbwa, Trigonopoma and Trigonostigma.[3] Some of these related genera were included in the genus Rasbora in the past. In a 2007 analysis, Rasbora was found to not be a monophyletic assemblage. However Boraras and Trigonostigma were determined to be monophyletic.[4]

Species
Rasbora borapetensis
Rasbora einthovenii
Rasbora kalochroma
Rasbora trilineata
Rasbora vulcanus

According to FishBase there are currently 84 recognized species in this genus.[1] This differs to some extent from the treatment by Catalog of Fishes, where some of these are regarded as junior synonyms and a few others (not listed below) are recognized as valid species.[5]

References
  1. Froese, Rainer and Pauly, Daniel, eds. (2016). Species of Rasbora in FishBase. October 2016 version.
  2. Froese, Rainer and Pauly, Daniel, eds. (2016). "Rasbora gerlachi" in FishBase. October 2016 version.
  3. Marelius, Charlotte (January 2014). Rasboras—Where do they come from? Showfish, Newsletter of COAST, a Tropical Fish Club in Southern California January 2014. Pp. 1—14.
  4. Mayden, R.L., Tang, K.L., Conway, K.W., Freyhof, J., Chamberlain, S., Haskins, M., Schneider, L., Sudkamp, M., Wood, R.M., Agnew, M., Bufalino, A., Sulaiman, Z., Miya, M., Saitoh, K. & He, S. (2007): Phylogenetic relationships of Danio within the order Cypriniformes: a framework for comparative and evolutionary studies of a model species. Journal of Experimental Zoology, Part B: Molecular and Developmental Evolution, 308 (5): 642-654.
  5. Eschmeyer, W.N.; R. Fricke; R. van der Laan (15 May 2018). "Catalog of Fishes". California Academy of Sciences. Retrieved 15 May 2018.
  6. Sudasinghe, Hiranya; Pethiyagoda, Rohan; Ranasinghe, Ranasinghe Hettiarachchige Tharindu; Raghavan, Rajeev; Dahanukar, Neelesh; Meegaskumbura, Madhava (2020). "A molecular phylogeny of the freshwater-fish genus Rasbora (Teleostei: Cyprinidae) in Sri Lanka reveals a remarkable diversification—And a cryptic species". Journal of Zoological Systematics and Evolutionary Research. 58 (4): 1076–1110. doi:10.1111/jzs.12395. ISSN 1439-0469.
  7. Lumbantobing, D.N. (2010): Four New Species of the Rasbora trifasciata-Group (Teleostei: Cyprinidae) from Northwestern Sumatra, Indonesia. Copeia, 2010 (4): 644-670.
  8. Silva, A., Maduwage, K. & Pethiyagoda, R. (2010): A review of the genus Rasbora in Sri Lanka, with description of two new species (Teleostei: Cyprinidae). Ichthyological Exploration of Freshwaters, 21 (1): 27-50.
  9. Lumbantobing, D.N. (2014): Four new species of Rasbora of the Sumatrana group (Teleostei: Cyprinidae) from northern Sumatra, Indonesia. Zootaxa, 3764 (1): 1–25.
  10. Plamoottil, M. (2016): Rasbora ataenia, a new freshwater fish from Kerala, India. International Journal of Innovative Studies in Aquatic Biology and Fisheries, 2 (5): 20-24.
  11. Kottelat, M. & Tan, H.H. (2011): Rasbora atranus, a new species of fish from central Borneo (Teleostei: Cyprinidae). Ichthyological Exploration of Freshwaters, 22 (3): 215-220.
  12. Kottelat, M. & Tan, H.H. (2012): Rasbora cryptica, a new species of fish from Sarawak, Borneo (Teleostei: Cyprinidae). Ichthyological Exploration of Freshwaters, 23 (1): 37-44.
  13. Liao, T.Y., Kullander, S.O. & Fang, F. (2010): Phylogenetic analysis of the genus Rasbora (Teleostei: Cyprinidae). Zoologica Scripta, 39 (2): 155–176.
  14. Kottelat, M. (2012): Rasbora rheophila, a new species of fish from northern Borneo (Teleostei: Cyprinidae). Revue Suisse de Zoologie, 119 (1): 77-87.
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