251
Conservation Status
IUCN Red List, least concern.
Threats
Harvested for its ornamental value and for its
food value, using destructive fi shing methods.
The area is also affected by habitat degradation
due to deforestation.
Remarks
Of no fi shery interest.
Genus: Rasbora Bleeker, 1859
25. Rasbora daniconius (Hamilton, 1822)
Cyprinus ( Danio ) daniconius Hamilton, 1822.
Fish. Ganges : 327–328, 391, pl. 15, fi g. 89
(type locality: rivers of southern Bengal).
Parluciosoma daniconius Husain, 2003 . Faun.
Asan Wetland, Wetland Ecosystem Series 5 :
23–26 (Asan reservoir, seepage nala, Asan
River above Kunja Grant and below its
barrage).
English Names
Black-Line Rasbora, Common Rasbora, Slender
Barb, Slender Rasbora, Striped Rasbora.
Local Name
Bhuri.
Localities Surveyed
Asan River above Kunja Grant, below its barrage
at Dhalipur, Herbertpur, villages Partitpur and
Bairagiwala near Herbertpur, Sabhawala and village Bhurpur near Jhajra; seepage nala below
barrage; small stream near Asan Barrage,
Dhalipur; Asan reservoir.
Small stream between Sahaspur and
Herbertpur; Swarna rao, Bhauwala; ponds at village Jassowala near Sahaspur and Selakui.
Diagnostic Characters
D. 2/7, P. 1/11–13, V. 2/8, A. 3/5–7, C. 19, L.l.
27–34.
Lateral line nearly complete, with only the last
few scales lacking pores. Body silvery on sides
with a distinct blue-black mid-lateral stripe from
the eye to the base of caudal fi n, edged with gold;
a narrow dark stripe above the anal fi n; fi ns tinged
with yellow, caudal fi n lobes often tipped grey.
Maximum Length
15.0 cm, commonly 8.0 cm.
Distribution
Uttarakhand
Garhwal Division: Dehradun, Haridwar, Pauri
and Tehri districts; Kumaon Division: Almora,
Nainital and Udham Singh Nagar districts.
Corbett Tiger Reserve and Rajaji National Park.
India
Andaman Islands, Andhra Pradesh, Assam,
Bihar, Gujarat, Madhya Pradesh, Odisha, Punjab,
Uttar Pradesh, Tamil Nadu and West Bengal.
Elsewhere
Afghanistan, Bangladesh, Bhutan, Cambodia,
Indonesia, Laos, Malaysia, Myanmar, Nepal,
Pakistan, Sri Lanka, Thailand and Vietnam.
Habitat and Ecology
It is a benthopelagic and potamodromous species. Found in a variety of habitats, ditches,
ponds, canals, sandy streams and rivers and inundated fi elds. Sometimes forms large schools.
A surface feeder, feeding mainly on aquatic
insects and detritus. Its spawning sites are found
in rivers and ponds; mature adults probably breed
during the rainy season.
Conservation Status
IUCN Red List, least concern.
Threats
Threats to this species and its habitat are not evident at present, although it is collected for the
aquarium trade and for poultry food but the scale
does not appear to be causing a decline in the
population.
Remarks
Of no fi shery interest; kept in aquaria being hardy
and adaptable fi sh. It may prove very useful for
destroying mosquito larvae.
14 Fish Fauna of Asan River
Conservation Status
IUCN Red List, least concern.
Threats
Harvested for its ornamental value and for its
food value, using destructive fi shing methods.
The area is also affected by habitat degradation
due to deforestation.
Remarks
Of no fi shery interest.
Genus: Rasbora Bleeker, 1859
25. Rasbora daniconius (Hamilton, 1822)
Cyprinus ( Danio ) daniconius Hamilton, 1822.
Fish. Ganges : 327–328, 391, pl. 15, fi g. 89
(type locality: rivers of southern Bengal).
Parluciosoma daniconius Husain, 2003 . Faun.
Asan Wetland, Wetland Ecosystem Series 5 :
23–26 (Asan reservoir, seepage nala, Asan
River above Kunja Grant and below its
barrage).
English Names
Black-Line Rasbora, Common Rasbora, Slender
Barb, Slender Rasbora, Striped Rasbora.
Local Name
Bhuri.
Localities Surveyed
Asan River above Kunja Grant, below its barrage
at Dhalipur, Herbertpur, villages Partitpur and
Bairagiwala near Herbertpur, Sabhawala and village Bhurpur near Jhajra; seepage nala below
barrage; small stream near Asan Barrage,
Dhalipur; Asan reservoir.
Small stream between Sahaspur and
Herbertpur; Swarna rao, Bhauwala; ponds at village Jassowala near Sahaspur and Selakui.
Diagnostic Characters
D. 2/7, P. 1/11–13, V. 2/8, A. 3/5–7, C. 19, L.l.
27–34.
Lateral line nearly complete, with only the last
few scales lacking pores. Body silvery on sides
with a distinct blue-black mid-lateral stripe from
the eye to the base of caudal fi n, edged with gold;
a narrow dark stripe above the anal fi n; fi ns tinged
with yellow, caudal fi n lobes often tipped grey.
Maximum Length
15.0 cm, commonly 8.0 cm.
Distribution
Uttarakhand
Garhwal Division: Dehradun, Haridwar, Pauri
and Tehri districts; Kumaon Division: Almora,
Nainital and Udham Singh Nagar districts.
Corbett Tiger Reserve and Rajaji National Park.
India
Andaman Islands, Andhra Pradesh, Assam,
Bihar, Gujarat, Madhya Pradesh, Odisha, Punjab,
Uttar Pradesh, Tamil Nadu and West Bengal.
Elsewhere
Afghanistan, Bangladesh, Bhutan, Cambodia,
Indonesia, Laos, Malaysia, Myanmar, Nepal,
Pakistan, Sri Lanka, Thailand and Vietnam.
Habitat and Ecology
It is a benthopelagic and potamodromous species. Found in a variety of habitats, ditches,
ponds, canals, sandy streams and rivers and inundated fi elds. Sometimes forms large schools.
A surface feeder, feeding mainly on aquatic
insects and detritus. Its spawning sites are found
in rivers and ponds; mature adults probably breed
during the rainy season.
Conservation Status
IUCN Red List, least concern.
Threats
Threats to this species and its habitat are not evident at present, although it is collected for the
aquarium trade and for poultry food but the scale
does not appear to be causing a decline in the
population.
Remarks
Of no fi shery interest; kept in aquaria being hardy
and adaptable fi sh. It may prove very useful for
destroying mosquito larvae.
14 Fish Fauna of Asan River