The Chirruh snowtrout (''Schizothorax esocinus'') is a species of

cyprinid Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest verte ...

fish found in the Himalyays in Pakistan, India, Afghanistan, Nepal and China.

Biology

Found mostly in mountain streams, rivers and gravel-bottomed rivers. They feed on bottom

detritus In biology, detritus () is dead particulate organic material, as distinguished from dissolved organic material. Detritus typically includes the bodies or fragments of bodies of dead organisms, and fecal material. Detritus typically hosts commun ...

and they migrate to

spawn Spawn or spawning may refer to: * Spawn (biology), the eggs and sperm of aquatic animals Arts, entertainment, and media * Spawn (character), a fictional character in the comic series of the same name and in the associated franchise ** '' Spawn: ...

in tributary streams where breeding occurs in gravel and sandy beds.http://www.fishbase.org/Summary/SpeciesSummary.php?ID=24430&AT=Chirruh+Snowtrout
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References

Schizothorax Fish of Asia Fish described in 1838 {{Schizothorax-stub