Fish Fauna of Asan River and Its Tributaries, Western Doon Valley, Dehradun (Uttarakhand), with Conservation Status of Species and Threats - Aquatic Ecosystem: Biodiversity, Ecology and Conservation - page 236

Remarks
Of no fi shery interest.

Elsewhere
Afghanistan, Bangladesh, Nepal, Pakistan and
Sri Lanka.

14. Barilius vagra (Hamilton, 1822)
Cyprinus ( Barilius ) vagra Hamilton, 1822. Fish
Ganges : 269-270, 385 (type locality: Ganges
about Patna).
Barilius vagra Husain, 2003 . Faun. Asan Wetland,
Wetland Ecosystem Series 5 : 23-26 (Asan res-
ervoir, seepage nala, Asan River above Kunja
Grant and below its barrage).

Habitat and Ecology
Found in hill streams with gravelly and rocky
bottom.

Conservation Status
IUCN Red List, least concern.

Threats
Destructive fi shing may pose a threat to this
species.

English Name
Vagra Baril.

Local Names
Chalra, Dharu, Dhaur, Popta.

Remarks
Of no fi shery interest.
Genus: Danio Hamilton, 1822

Localities Surveyed
Asan River at Herbertpur, above Kunja Grant,
below its barrage, Sahaspur; Asan reservoir.
Swarna nadi, Bhauwala; Nun nadi,
Jaintanwala; Naro nadi near village Langha.

15. Danio rerio Hamilton, 1822
Cyprinus ( Danio ) rerio Hamilton, 1822. Fish.
Ganges : 323, 390 (type locality: Kosi river).
Brachydanio rerio Husain, 2003 . Faun. Asan
Wetland, Wetland Ecosystem Series 5 : 23-26
(Asan reservoir, seepage nala, Asan River
above Kunja Grant and below its barrage).

Diagnostic Characters
D. 2/7, P. 1/13, V. 1/8, A. 3/10, C. 19 (10/9). L.l.
43-44.
Body shallow; mouth and jaws moderate with
poorly developed tubercles; barbels two pairs,
rostral and shorter maxillary; dorsal fi n origin
much anterior to that of anal fi n. Body silvery
with 10-14 bluish vertical bars, fi ns pinkish, dor-
sal and caudal fi ns edged with grey.

English Names
Zebra Danio, Zebrafi sh.

Local Names
Dharidar Salari.

Localities Surveyed
Asan River above Kunja Grant, at Dhalipur,
Herbertpur, Sabhawala and Jhajra; seepage nala
below barrage; Asan reservoir.
Small stream, culvert No. 28/2, Ridapur near
Sahaspur; Swarna nadi, Bhauwala; Naro nadi,
Langha; Kalughat khala, near village Doonga; Nimi
nadi, Paundha; Nun nadi, Jaintanwala.. Small stream
(Manaksidh rao), Karwapani, Asarori forest.

Maximum Size
12.5 cm.

Distribution

Uttarakhand
Garhwal Division: Chamoli, Dehradun, Haridwar,
Pauri, Tehri and Uttarkashi districts; Kumaon
Division: Almora, Nainital and Pithoragarh districts.
Corbett Tiger Reserve and Rajaji National Park.

Diagnostic Characters
D. 2/6-7, P. 1/11, V. 1/5-6, A. 2-3/10-13, C. 18,
L.l. 26-30.
Barbels two pairs, rostral extending to anterior
margin of the eye and maxillary to about middle

India
Along the base of the Himalayas, Indus, Ganga and
Brahmaputra river systems. Assam, Uttar Pradesh.