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Fish Science – Evolution, Extinction and Stocking

Three new fishy articles from Science Daily:

Evolution Of Fins And Limbs Linked With That Of Gills

ScienceDaily (Mar. 25, 2009) – The genetic toolkit that animals use to build fins and limbs is the same genetic toolkit that controls the development of part of the gill skeleton in sharks, according to a new study. Link to the whole article.

Why Certain Fishes Went Extinct 65 Million Years Ago

ScienceDaily (Mar. 26, 2009) – Large size and a fast bite spelled doom for bony fishes during the last mass extinction 65 million years ago, according to a new study. Finish the articcle here.

What do you think, any implications for fly fishing? Who can predict, to the nearest millennia, how long before there’s an impact on anglers? (BTW – It sounds like there might be a niche market for piscatorial paleontologists—any takers?)

Study Assesses Impact Of Fish Stocking On Aquatic Insects

ScienceDaily (Mar. 26, 2009) – The impact fish stocking has on aquatic insects in mountain lakes can be rapidly reversed by removing non-native trout, according to a study completed by U.S. Forest Service and University of California, Davis, scientists.

What do you think, should anglers encourage removing fish from areas where they are not native so native, non-fish species can rebound? What if we’re talking about your favorite tailwater?

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