Environmental Engineering Reference
In-Depth Information
Habitat and Ecology
Inhabits fast-fl owing streams with boulders and
rocks and lakes along the Himalayan ranges.
Feeds on algae, plants and detritus.
Distribution
Uttarakhand
Garhwal Division: Chamoli, Dehradun,
Haridwar, Pauri and districts; Kumaon Division:
Almora, Nainital and Pithoragarh districts. Rajaji
National Park.
Conservation Status
IUCN Red List, least concern.
Threats
It is a substrate specialist species. Throughout its
range, the boulders and gobbles are removed
leading to habitat loss accompanied by other
threats due to deforestation, damming and
siltation.
India
All along Himalaya. Assam, Bihar, Sikkim, Uttar
Pradesh and West Bengal. Damodar and
Mahanadi rivers.
Elsewhere
Afghanistan, Bangladesh, Bhutan, Cambodia,
Laos, Myanmar, Nepal, Pakistan, Thailand and
Vietnam (uncertain).
Remarks
Of no fi shery interest but a highly valuable food
fi sh of the Himalayan region.
Genus: Labeo Cuvier, 1817
Habitat and Ecology
Inhabits clear active currents of large rivers.
Increasing day length and water temperature are
favourable for ovarian development in female
under both captive and wild conditions, and it
breeds during monsoon season.
22. Labeo dyocheilus (McClelland, 1839)
Cyprinus ( Labeo ) dyocheilus McClelland, 1839.
Asiat. Res ., 19(2): 268, 330, pl. 37, Fig. 1
(type locality: Brahmaputra river).
English Name
Brahmaputra Labeo.
Conservation Status
IUCN Red List, least concern.
Local Names
Boalla, Doongri, Kali.
Remarks
Commercially important food fi sh.
Subfamily: Rasborinae
Genus: Aspidoparia Heckel, 1847
Localities Surveyed
Asan River, Herbertpur.
Diagnostic Characters
D. 2-3/8-11, P. 1/14-16, V. 1/8, A. 2/5, C. 19,
L.l. 43.
Head comparatively longer, snout conical
projecting beyond the mouth and with a dis-
tinct lateral lobe, lips thick (not fringed) inside
of the lower lip with striations; one short max-
illary barbel pair. Body dull greenish brown
laterally, darker above; fins dark in the
centre.
23. Aspidoparia jaya (Hamilton, 1822)
Cyprinus ( Cabdio ) jaya Hamilton, 1822. Fish.
Ganges : 383-384, 392 (type locality: rivers of
northern Bengal).
English Names
Carplet, Jaya.
Local Names
Chal, Chilwa.
Maximum Length
90.0 cm.
Localities Surveyed
Asan River, Herbertpur.
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