The document summarizes a study of fish species in the Swat River in Pakistan. It identifies 9 fish species found in the river, belonging to families Salmonidae and Cyprinidae. The most commonly found species was the snow trout (Schizothorax richardsonii). Details are provided on the physical characteristics and distributions of several of the identified fish species, including the rainbow trout, snow trout, goldfish, Kashmir latia, sundali, chakaar machlee. The study aims to observe and understand the fish fauna and population dynamics in different zones of the Swat River.
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Fish Species of Swat River Valley
1. With the name of
ALLAH,
The Beneficent
and
Most merciful
2. AKHTAR SHAH1, FARZANA PARVEEN2 AND BAKHT NAWAB3
1M.Sc Student, 2Chairperson, Department of
Zoology, Hazara University, Garden
campus, Mansehra and 3 Assistant
Professor, Department of Biology, AKL post
Graduate College Matta, Distt Swat
3. INTRODUCTION
Swat
Lush green & historic
valley,T.A 5337 km,
Population, 125760
River Swat
Originates from
Kohistan, T.L 250 km
Provides a habitat to
many Fish species
Study on specified area
Objectives
Observation of fish
fauna of a particular
part
Ecotonal habitat is of
special significance
Population dynamics
after historical flood
4. METHOD AND MATERIALS
Study area was divided into 3 zones
1) K. Khela to Shen 2) Shen to Baghdaire
3) Baghdaire to Qandil
Collection was done from specific sites
Materials
Cast net, automatic rods, hook net, hand
net and locally adopted divices
Prservation
Caring the collection
Measurements and laboratory work
Identification
5. RESULTS
9 fish species were
identified
Oncorhyncus mykiss
Schizothorax
richardsonii
Carassius auratus
Crossocheilus
diplocheilus
Schistora alepidota
Glyptosternum
reticulatum
Cyprinus carpio
Triplophysa choprai
Triplophysa naziri
Rainbow trout,
Oncorhyncus mykiss
(Walbaum, 1792)
Classification
K: Animalia; P: Chordata;
C: Actinoperygii;
O: Salmoniformes; Family:
Salmonidae
Compressed and elongate
body,
Head moderate, large and
superior eyes
Dorsal fin moderate,
elongate adipose dorsal fin,
caudal fin forked
Mouth lanceulate
Olive green to steely blue,
small dark spots on the
body
Distribution
6. Snow trout, Schizothorax richardsonii (Tilak, 1987)
O: Cypriniformes; F: Cyprinidae
Abundatly found species, collected from
various places
Body strem lined, 4.1 to 6.2 times..
Mouth inferior, transverse, barbells two
pairs
Dorsal fin strong, serrated and mid way
b/w snout tip
Steel gray, lighter bellow, belly yellowish
white, body with small dots, caudal fin
yellowish, dorsal fin grayish.
7. Gold fish/ gold carp, Carassius auratus
(Day, 1877)
O: Cypriniformes; F: Cyprinidae
Many species collected
Body stout, high and compressed,
Head small and slightly compressed.
Mouth small, terminal and oblique, upper
jaw protictile
Dorsal fin srong, anal quarish, pectoral
rounded
Olivacious bronze to deep golden, belly
silvery white, fins dark olive green.
8. Kashmir latia, Crossocheilus diplocheilus (Heckel,
1838)
O: Cypriniformes; F: Cyprinidae
Many species collected, no importance
Body stout and thick
Head flat and compressed, eyes
moderate
Mouth inferior, barbells two pairs
Scales moderate
variable in colour, usually brownish on
back with irregular spots
Caudal fin gray, dorsal with pink
9. Sundali, Shistora alipidota (Mirza and Banarescu, 1970)
O:Cypriniformes; F:Balitoridae
Five species collected, no importance
Body cylindrical,
Head obtuse
Mouth semicircular and ventral in
position, barbles three pairs, nostrils
closed to each other
Eyes small, not visible under side,
Head spotted, dark spot on the origin of
dorsal fin; dark band of caudal fin base
10. Chakaar machlee, Glyptosternum reticulatum
(McClelland, 1842)
O: Siluriformes; F: Sisoridae
25 species collected, delicious fish
Body elongate
Head flat and rounded
Mouth inferior, four pair of barbles
Eyes are of 7% of the head length
Head length is about 20% of total
length
Behind dorsal fin having adipose fin
Some bluish, yellowish, stone like
11. Conclusions References
During the present
study 9 species were
collected.
Minimum fish species
collected belong to
family Salmonidae
Maximum fish species
collected belong to
family Cyprinidae
The collected fish
species were preserved,
identified and labeled.
Widely distributed fish
species found in the
area was Schizothorax
richardsonii.
Ahmad, N. D. and Mirza, M. R.
(1963) Loaches of genus
Noemacheilus Hasselt from Swat
state, West Pakistan. Pakistan
Journal of Science. 15:75-18.
Butt, A. J. (1986) Fish and
fisheries of North West Frontier
province (N.W.F.P) Pakistan.
Biology Special Supplement.
Department of Zoology
University of Peshawar
Pakistan. 23-26.District Census
Report. (1999) Population
Census organization, statistic
division. Government of
Pakistan, Islamabad.
Hayat, R. (2007) Saving River
Swat from growing pollution.
Dawn the
internetEdition.http//www.dawn.c
om.1-2.
Jayaram, K. C. (1999) The
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Region. Nondara publishing