Adorable ‘Butterfly Fish’ Flutters Through the Currents of Central Vietnam The Reticulated Hillstream Loach (Sewellia lineolat) is an incredible creature that resembles an underwater butterfly. Like other loaches, it’s found in the fast-moving currents of streams where it grips tightly to rocks using its modified pectoral fins. more info: http://www.thefeaturedcreature.com/2013/08/adorable-butterfly-fish-flutters-through-the-currents-of-central-vietnam.html
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