233
posterior half of the body, without a keel. Body
greenish silvery with a silvery lateral band edged
dark and a series of 4–5 blotches (absent in
young) on sides between the pectoral and anal
fi ns; dorsal and anal fi ns with dark edges.
Sexual Dimorphism: In male, the dorsal side
of the body just behind the head is humped in the
form of a crest or ridge and lower jaw more
prominent. Female lacks the hump but may be
with a groove instead.
Maximum Size
40.0 cm.
Distribution
Uttarakhand
Garhwal Division: Dehradun and Haridwar districts; Kumaon Division: Nainital and Udham
Singh Nagar districts. Rajaji National Park.
India
Throughout. Chilka Lake; Ganges-Brahmaputra
system; Kallar, Bhavani, Moyar, Tamil Nadu,
Kanyakumari district; Terai and Dooars, North
Bengal; Western Ghats rivers, Maharashtra.
Elsewhere
Bangladesh, Bhutan, Cambodia, Indonesia, Laos,
Malaysia, Myanmar, Nepal, Pakistan, Sri Lanka,
Thailand, Vietnam and Hawaii (introduced).
Habitat and Ecology
Inhabits freshwaters, primarily rivers.
Conservation Status
IUCN Red List, least concern.
Threats
There is habitat degradation in some parts of its
range in India due to siltation caused by deforestation and habitat loss and modifi cation due to the
loss of wetlands, especially the infi lling of ponds.
Remarks
Of no fi shery interest but sometimes considered
as minor fi shery. Generally consumed locally.
Order: Cypriniformes
Family: Cobitidae
Subfamily: Cobitinae
Genus: Lepidocephalichthys Bleeker, 1863
2. Lepidocephalichthys caudofurcatus (Tilak &
Husain, 1978)
Lepidocephalus caudofurcatus Tilak & Husain,
1978. Matsya , 3: 60–63, fi gs. 1–3 (type locality: Kalapani nala, Rishikesh, District
Dehradun; Sailani river, Biharigarh, District
Saharanpur; and Gagan river near Moradabad,
District Moradabad).
Lepidocephalus caudofurcatus Husain, 2003 .
Faun. Asan Wetland, Wetland Ecosystem
Series 5 : 23–26 (seepage nala).
English Names
Gadera, Ghiwa, Nauni.
Local Name
Gadera.
Localities Surveyed
Seepage nala below the Asan reservoir.
Diagnostic Characters
D. 2/6, P. 1/7, V. 1/6, A. 3/5, C. 16 (8/8).
Origin of dorsal fi n almost equidistant between
the snout tip and caudal base; caudal fi n forked;
whole of lateral and ventral sides of the head scaled,
focal area of subdorsal scale eccentric and very
small, scales on ventral side of the body extend
anteriorly much beyond the isthmus, 25 scales
between the back and base of the anal fi n. Body
with rectangular blotches along its lateral sides.
Sexual Dimorphism: In male, two inner rays
of pectoral get fused and form a vertical ossifi ed
crest. The pectoral fi n is normal in female and
comparatively loner.
Maximum Size
4.95 cm.
Distribution
Uttarakhand
Garhwal Division: Dehradun and Haridwar
districts.
14 Fish Fauna of Asan River
posterior half of the body, without a keel. Body
greenish silvery with a silvery lateral band edged
dark and a series of 4–5 blotches (absent in
young) on sides between the pectoral and anal
fi ns; dorsal and anal fi ns with dark edges.
Sexual Dimorphism: In male, the dorsal side
of the body just behind the head is humped in the
form of a crest or ridge and lower jaw more
prominent. Female lacks the hump but may be
with a groove instead.
Maximum Size
40.0 cm.
Distribution
Uttarakhand
Garhwal Division: Dehradun and Haridwar districts; Kumaon Division: Nainital and Udham
Singh Nagar districts. Rajaji National Park.
India
Throughout. Chilka Lake; Ganges-Brahmaputra
system; Kallar, Bhavani, Moyar, Tamil Nadu,
Kanyakumari district; Terai and Dooars, North
Bengal; Western Ghats rivers, Maharashtra.
Elsewhere
Bangladesh, Bhutan, Cambodia, Indonesia, Laos,
Malaysia, Myanmar, Nepal, Pakistan, Sri Lanka,
Thailand, Vietnam and Hawaii (introduced).
Habitat and Ecology
Inhabits freshwaters, primarily rivers.
Conservation Status
IUCN Red List, least concern.
Threats
There is habitat degradation in some parts of its
range in India due to siltation caused by deforestation and habitat loss and modifi cation due to the
loss of wetlands, especially the infi lling of ponds.
Remarks
Of no fi shery interest but sometimes considered
as minor fi shery. Generally consumed locally.
Order: Cypriniformes
Family: Cobitidae
Subfamily: Cobitinae
Genus: Lepidocephalichthys Bleeker, 1863
2. Lepidocephalichthys caudofurcatus (Tilak &
Husain, 1978)
Lepidocephalus caudofurcatus Tilak & Husain,
1978. Matsya , 3: 60–63, fi gs. 1–3 (type locality: Kalapani nala, Rishikesh, District
Dehradun; Sailani river, Biharigarh, District
Saharanpur; and Gagan river near Moradabad,
District Moradabad).
Lepidocephalus caudofurcatus Husain, 2003 .
Faun. Asan Wetland, Wetland Ecosystem
Series 5 : 23–26 (seepage nala).
English Names
Gadera, Ghiwa, Nauni.
Local Name
Gadera.
Localities Surveyed
Seepage nala below the Asan reservoir.
Diagnostic Characters
D. 2/6, P. 1/7, V. 1/6, A. 3/5, C. 16 (8/8).
Origin of dorsal fi n almost equidistant between
the snout tip and caudal base; caudal fi n forked;
whole of lateral and ventral sides of the head scaled,
focal area of subdorsal scale eccentric and very
small, scales on ventral side of the body extend
anteriorly much beyond the isthmus, 25 scales
between the back and base of the anal fi n. Body
with rectangular blotches along its lateral sides.
Sexual Dimorphism: In male, two inner rays
of pectoral get fused and form a vertical ossifi ed
crest. The pectoral fi n is normal in female and
comparatively loner.
Maximum Size
4.95 cm.
Distribution
Uttarakhand
Garhwal Division: Dehradun and Haridwar
districts.
14 Fish Fauna of Asan River