Mixed Strain

A mixed-strain rohu is Labeo rohita stock made from more than one hatchery, river, or selected breeding line. Rohu, also called rui or roho labeo, is an Indian major carp native to South Asian river systems and one of the core pond-farmed carps of India, Bangladesh, Nepal, and neighboring regions. It has a deep, arched body, silvery to gray-brown sides, darker back, and often reddish or orange-tinted fins; unusual albino, leucistic, melanistic, mottled, or gold fish are mostly hatchery or ornamental exceptions. The mixed-strain label is useful when fish cannot be traced to a named improved line but are known to have blended origins.

In aquaculture, mixed rohu can be practical because broader parentage may help avoid the weakness caused by repeated inbreeding in small hatcheries. Performance is less predictable, however, so farms compare growth, survival, disease history, and harvest size before relying on a stock. Rohu are usually raised in fertilized ponds and polyculture systems with catla, mrigal, or other compatible carps, feeding on plankton, detritus, formulated feed, and pond productivity. Broodstock management matters: rohu normally need seasonal cues and induced spawning in hatcheries, and good records prevent accidental narrowing of the genetic base.

Colors: Albino, Black, Blue, Brown, Gold, Gray, Green, Leucistic, Melanistic, Mottled, Orange, Piebald, Red, Silver, Spotted, Striped, White, Wild Type, Yellow