''Rasboroides'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of freshwater
ray-finned fishes belonging to the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Danionidae
The danionins are a group of small, minnow-type fish belonging to the family Danionidae. Species of this group are in the genera clades ''Danio'' and '' Devario'' (which also includes ''Chela'', ''Laubuka'', ''Microdevario'', and ''Microrasbora ...
, the danios or danionins. The fishes in this genus are
endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to
Sri Lanka
Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...
.
[ They are found in small, slow-flowing and shaded streams in the southwestern part of the island.][Batuwita, S., Silva, M.d. & 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, 24 (2): 121-140.''] They are essentially restricted to lowlands, although one introduced population occurs at an altitude of .[Sudasinghe, H., J. Herath, R. Pethiyagoda and M. Meegaskumbura. (2018). Undocumented Translocations Spawn Taxonomic Inflation in Sri Lankan Fire Rasboras (Actinopterygii, Cyprinidae). PeerJ. 6:e6084. ] They are calm, social and attractively colored fish that sometimes are kept in aquariums.[
]
Species
Historically, there was only a single recognized species in this genus, ''R. vaterifloris'', but in a review in 2013 four species were recognized,[ and this is followed by ]FishBase
FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web. . A comprehensive review in 2018 disputed this and only recognized two species, ''R. pallidus'' and ''R. vaterifloris'' (the other two considered junior synonym
In taxonomy, the scientific classification of living organisms, a synonym is an alternative scientific name for the accepted scientific name of a taxon. The botanical and zoological codes of nomenclature treat the concept of synonymy differently.
...
s).
*
References
Rasborinae
Fish of Asia
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