In times of extreme conditions, such as the current state of water scarcity in California, some sacrifices and tradeoffs inevitably have to be made. This has occurred through sacrificing fall-run Chinook salmon to help endangered steelhead and winter-run Chinook salmon through the timing of water flow cuts in rivers: http://fishbio.com/field-notes/chinook-salmon/tough-choices-in-dry-conditions
Take a look at this super star: This marine creature might look like a bright holiday bauble, but it’s actually a fearsome killer with more than a dozen arms in its arsenal. The sunflower star, Pycnopodia helianthoides, is the largest sea star inhabiting the West Coast, and can grow as large as a manhole cover! This is the fleshy, voracious Godzilla of the undersea invertebrate world, which dwarfs other sea stars at diameters of up to one meter, and wields as many as 20 or 24 arms... Read more: http://fishbio.com/field-notes/marine/super-star
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