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Charr, Bull X Brook Hybrid......(S.confluentus X S. fontinalis)

Discussion in 'Fish Reference Photos' started by DocEsox, Apr 8, 2012.

  1. This particular charr hybrid is causing severe issues in trying to maintain genetically pure bull trout. The native bull and invasive brook trout easily hybridize and these hybrids are often fertile. Montana Fish and Game would like to see every caught hybrid killed (they are delicious) but most people can't even tell the difference between the bull and brook, let alone the hybrid. But they are fairly easy to identify......pure bull trout have absolutely no markings on their dorsal fin while the hybrids have spotting or mottling. Also hybrids have vermiculations on the their dorsal surface....bulls only have spots. Additionally, the spots on the hybrids are not orange to orange red like on bulls but more of an intense pink orange color. The first pic is of a brook trout (bottom) and a hybrid (top)....they were caught in consecutive casts in the same small hole in the river.

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    This is the same hybrid laying on the bank....better fin pics....

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    Brian
     
  2. Another good size bull X brook charr I caught (and ate....very yummy) in the Swan River....

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    Brian