HungHanks23355: entry

2026-01-06T19:07:52Z

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{{Short description|Species of fish}}
{{Use dmy dates|date=May 2022}}
{{Speciesbox
| image =Puntius arulius.jpg
| status = EN
| status_system = IUCN3.1
| status_ref = <ref name=IUCN>{{Cite iucn | author = Abraham, R. | title = ''Dawkinsia arulius'' | volume = 2015 | article-number = e.T172500A70168511 | date = 2015 | doi = 10.2305/IUCN.UK.2015-1.RLTS.T172500A70168511.en }}</ref>
| taxon = Dawkinsia arulius
| display_parents = 3
| authority = ([[Thomas C. Jerdon|Jerdon]], 1849)
| synonyms =
* ''Systomus arulius'' Jerdon, 1849
* ''Barbus arulius'' (Jerdon, 1849)
* ''Puntius rubrotinctus'' (Jerdon, 1849)
* ''Systomus rubrotinctus'' (Jerdon, 1849)
}}

The '''Arulius barb''' ('''''Dawkinsia arulius''''') is a tropical [[cyprinid]] fish native to the [[Kaveri River]] basin of south east [[India]].<ref>{{FishBase |genus= Dawkinsia|species= arulius| month = April | year = 2013}}</ref> Other common names include '''Tamiraparani barb''', '''Silas barb''' and '''longfin barb'''.

==Description==
Adult fish are dark brownish olive on the back, becoming lighter on the sides to white on the ventral surface. It has a black, vertical blotch in the middle of its body, above the origin of its pelvic fin. It has a second black, vertical blotch above its anal fin, and a third black bar or blotch on the base of the caudal fin, though less well defined as the other two blotches. The fins are thin and transparent or translucent. Adults possess more pronounced colors than the juvenile. The adult male gets filament-like extensions to the branched dorsal-fin rays like the closely related filament barb species found in [[Tambraparni River]] basin, ''[[Dawkinsia tambraparniei]]'', the use of the common name, '''longfin barb is quite often accepted''' (''[[Dawkinsia filamentosa]]''). It reaches an adult size of {{convert|12|cm|in}} [[fish measurement|TL]].

==Habitat==
Its native habitat is large streams, rivers, and lakes, with a [[pH]] of 6.0 – 6.5, [[Deutsche Härte|dH]] of 10, and temperature 19 °C to 25 °C.

==Etymology==
The name ''arulius'' is derived from the name "aruli" used by local inhabitants.

==In the aquarium==
Though less common to the hobby than other related barbs, this peaceful, active, egg-laying fish is compatible with other related species in the home aquarium such as [[tiger barb]]s (''Puntigrus tetrazona''), and [[rosy barb]]s (''Pethia conchonius'') and other fast swimming [[Cyprinidae|cyprinid]] species of similar size. Also compatible with some [[cichlid]] species, but smaller fish such as neon tetras would be at risk of predation. As with many barbs, nippy behavior is common, but alleviated by keeping the fish in numbers of at least 5–6 individuals in the aquarium, while taking into account the space requirements of the adult size of 4–5 inches (10–12 cm).

==See also==

* [[List of freshwater aquarium fish species]]

==References==
{{Reflist}}
* {{cite web|author=Rohan Pethiyagoda|author2=Maurice Kottelat|name-list-style=amp |access-date=5 February 2006 |work=The Raffles Bulletin of Zoology, 2005 Supplement No. 12: 127–144 |title=A review of the barb of the Puntius filamentosus group (Teleostei: Cyprinidae) of southern India and Sri Lanka |url=http://rmbr.nus.edu.sg/rbz/biblio/s12/s12rbz127-144.pdf |archive-url=https://web.archive.org/web/20070811085205/http://rmbr.nus.edu.sg/rbz/biblio/s12/s12rbz127-144.pdf |archive-date=11 August 2007 }}

{{Taxonbar|from=Q1257357|from2=Q28148954}}

[[Category:Dawkinsia]]
[[Category:Endemic fauna of India]]
[[Category:Freshwater fish of India]]
[[Category:Fish described in 1849]]
[[Category:Taxa named by Thomas C. Jerdon]]
[[Category:Kaveri River]]

Arulius barb - Revision history

HungHanks23355: entry