Rasboroides pallidus

Rasboroides pallidus is a species of freshwater cyprinid fish endemic to southwestern Sri Lanka.[1][2][3][4] It is only known from shallow, slow-flowing streams in the basins of the Kalu River, Bentara River, Gin River, Polathu-Modera River and Nilwala River.[4] It has been introduced to the Mahaweli and Walawe River basins, and is overall less threatened than the related R. vaterifloris.[5]

Rasboroides pallidus
Individual from Ambagamuwa, Sri Lanka
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Subfamily: Danioninae
Genus: Rasboroides
Species:
R. pallidus
Binomial name
Rasboroides pallidus
(Deraniyagala, 1930)
Synonyms[1]
  • Rasbora vaterifloris pallida Deraniyagala, 1958
  • Rasboroides rohani Batuwita, M. de Silva & Edirisinghe, 2013

A comprehensive taxonomic review in 2018 based on morphometry, meristics and mtDNA disputed the validity of R. rohani, showing that it is a junior synonym of R. pallidus;[5] this synonymy is followed by the Catalog of Fishes[6] but not the FishBase.[7]

It can grow to 3.6 cm (1.4 in) standard length.[3]

References
  1. Palmer-Newton, A.; de Alwis Goonatilake, S.; Fernado, M.; Kotagama, O. (2020) [errata version of 2019 assessment]. "Rasboroides pallidus". IUCN Red List of Threatened Species. 2019: e.T117513347A174844070. Retrieved 10 June 2021.
  2. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Rasboroides pallidus". Catalog of Fishes. California Academy of Sciences. Retrieved 10 June 2021.
  3. Froese, Rainer; Pauly, Daniel (eds.) (2021). "Rasboroides pallidus" in FishBase. February 2021 version.
  4. Batuwita, S.; de Silva, M.; Edirisinghe, U. (2013). "A review of the danionine genera Rasboroides and Horadandia (Pisces: Cyprinidae), with description of a new species from Sri Lanka". Ichthyological Exploration of Freshwaters. 4 (2): 121–140.
  5. Sudasinghe, Hiranya; Herath, Jayampathi; Pethiyagoda, Rohan; Meegaskumbura, Madhava (2018). "Undocumented translocations spawn taxonomic inflation in Sri Lankan fire rasboras (Actinopterygii, Cyprinidae)". PeerJ. 6: e6084. doi:10.7717/peerj.6084.
  6. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Rasboroides rohani". Catalog of Fishes. California Academy of Sciences. Retrieved 10 June 2021.
  7. Froese, Rainer; Pauly, Daniel (eds.) (2021). "Rasboroides rohani" in FishBase. February 2021 version.


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