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tag trout evolution

Convergent Fish Fins
Rina Shaikh-Lesko | Mar 5, 2014 | 3 min read
Adipose fins, long considered vestigial, may have evolved multiple times as a key adaptation in some fish, study finds.
"Big Cross" Lands Sticklebacks in the Spotlight
David Secko | Nov 7, 2004 | 5 min read
Marine threespine sticklebacks haven't morphologically changed in an estimated 10 million years, but their freshwater offshoots show no signs of slowing down. These 5-cm-long, freshwater fish have undergone a recent evolutionary change, variably losing their calcified body armor and retractable pelvic and dorsal spines. Remarkably, isolated marine and freshwater sticklebacks can be hybridized in the laboratory, a fact that is allowing researchers to analyze the genetics behind their natural dive
Odd Man Out
Alla Katsnelson | Mar 1, 2010 | 10+ min read
Do fish have personalities?

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