252
Subfamily: Incertae (uncertain)
Genus: Chagunius Smith, 1938
26. Chagunius chagunio (Hamilton, 1822)
Cyprinus ( Cyprinus ) chagunio Hamilton, 1822.
Fish. Ganges : 295–297, 387 (type locality:
Yamuna and in the northern rivers of Behar
and Bengal).
Chagunius chagunio Husain, 2003 . Faun. Asan
Wetland, Wetland Ecosystem Series 5 : 23–26
(seepage nala).
English Name
Chaguni.
Local Names
Chhibban, Pathal, Pathali, Pithari.
Localities Surveyed
Asan River at Dhalipur, Herbertpur, Fatehpur and
Bairagiwala villages near Herbertpur and
Chandrabani; seepage nala below Asan Barrage.
Diagnostic Characters
D. 4/8, P. 1/14, V. 1/8, A. 3/5, C. 19. L.l. 40–46.
Body depth slightly more than the head length;
mouth narrow and subterminal, tubercles on
snout, 2 pairs barbels, longer than orbit; dorsal
spine strong and serrated, denticles recurved;
scales small. Body silvery with few black dots.
Sexual Dimorphism: Tubercles on snout and
cheeks of females smaller than those of males.
Maximum Size
50.0 cm.
Distribution
Uttarakhand
Garhwal Division: Dehradun, Haridwar, Pauri
and Tehri districts; Kumaon Division: Nainital
and Udham Singh Nagar districts. Corbett Tiger
Reserve and Rajaji National Park.
India
Northern India: Brahmaputra and Ganga drainages along the base of Himalaya. Assam, Bihar,
Delhi, Madhya Pradesh, Manipur, Odisha,
Punjab, Uttar Pradesh and West Bengal (Adma,
Buxa and Jayanti rivers). Chota Nagpur, Damodar
drainage.
Elsewhere
Bangladesh and Nepal.
Habitat and Ecology
Inhabits large rivers with rocky substratum, clear
and fast water and little or no vegetation. Adults
prefer stronger current than juveniles.
Conservation Status
IUCN Red List, least concern.
Threats
Habitat of this species is being degraded due to
deforestation and illegal fi shing techniques,
dams, sand quarry and mining.
Remarks
Of commercial and game value.
Genus: Tor Gray, 1833
27. Tor putitora (Hamilton, 1822)
Cyprinus ( Cyprinus ) putitora Hamilton, 1822.
Fish. Ganges : 303–305, 388 (type locality:
eastern parts of Bengal).
Tor putitora Husain, 2003 . Faun. Asan Wetland,
Wetland Ecosystem Series 5 : 23–26 (Asan
River above Kunja Grant and below its
barrage).
English Names
Common Himalayan Mahseer, Golden Mahseer,
Putitor Mahseer.
Local Names
Mahseer, Mahsir, Pila-par Mahseer, Pili Mahseer.
Localities Surveyed
Asan River above Kunja Grant, below its barrage
at Dhalipur, Herbertpur, Partitpur and Bairagiwala
near Herbertpur, Sabhawala and Bhurpur near
Jhajra.
Diagnostic Characters
D. 4/8, P. 1/15, V. 1/8, A. 2–3/5, C. 19, L.l. 22–28.
A. Husain
Subfamily: Incertae (uncertain)
Genus: Chagunius Smith, 1938
26. Chagunius chagunio (Hamilton, 1822)
Cyprinus ( Cyprinus ) chagunio Hamilton, 1822.
Fish. Ganges : 295–297, 387 (type locality:
Yamuna and in the northern rivers of Behar
and Bengal).
Chagunius chagunio Husain, 2003 . Faun. Asan
Wetland, Wetland Ecosystem Series 5 : 23–26
(seepage nala).
English Name
Chaguni.
Local Names
Chhibban, Pathal, Pathali, Pithari.
Localities Surveyed
Asan River at Dhalipur, Herbertpur, Fatehpur and
Bairagiwala villages near Herbertpur and
Chandrabani; seepage nala below Asan Barrage.
Diagnostic Characters
D. 4/8, P. 1/14, V. 1/8, A. 3/5, C. 19. L.l. 40–46.
Body depth slightly more than the head length;
mouth narrow and subterminal, tubercles on
snout, 2 pairs barbels, longer than orbit; dorsal
spine strong and serrated, denticles recurved;
scales small. Body silvery with few black dots.
Sexual Dimorphism: Tubercles on snout and
cheeks of females smaller than those of males.
Maximum Size
50.0 cm.
Distribution
Uttarakhand
Garhwal Division: Dehradun, Haridwar, Pauri
and Tehri districts; Kumaon Division: Nainital
and Udham Singh Nagar districts. Corbett Tiger
Reserve and Rajaji National Park.
India
Northern India: Brahmaputra and Ganga drainages along the base of Himalaya. Assam, Bihar,
Delhi, Madhya Pradesh, Manipur, Odisha,
Punjab, Uttar Pradesh and West Bengal (Adma,
Buxa and Jayanti rivers). Chota Nagpur, Damodar
drainage.
Elsewhere
Bangladesh and Nepal.
Habitat and Ecology
Inhabits large rivers with rocky substratum, clear
and fast water and little or no vegetation. Adults
prefer stronger current than juveniles.
Conservation Status
IUCN Red List, least concern.
Threats
Habitat of this species is being degraded due to
deforestation and illegal fi shing techniques,
dams, sand quarry and mining.
Remarks
Of commercial and game value.
Genus: Tor Gray, 1833
27. Tor putitora (Hamilton, 1822)
Cyprinus ( Cyprinus ) putitora Hamilton, 1822.
Fish. Ganges : 303–305, 388 (type locality:
eastern parts of Bengal).
Tor putitora Husain, 2003 . Faun. Asan Wetland,
Wetland Ecosystem Series 5 : 23–26 (Asan
River above Kunja Grant and below its
barrage).
English Names
Common Himalayan Mahseer, Golden Mahseer,
Putitor Mahseer.
Local Names
Mahseer, Mahsir, Pila-par Mahseer, Pili Mahseer.
Localities Surveyed
Asan River above Kunja Grant, below its barrage
at Dhalipur, Herbertpur, Partitpur and Bairagiwala
near Herbertpur, Sabhawala and Bhurpur near
Jhajra.
Diagnostic Characters
D. 4/8, P. 1/15, V. 1/8, A. 2–3/5, C. 19, L.l. 22–28.
A. Husain