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Author: Chuck Bangley

Shark DNA Used to Buff Up Aquacultured Fish

Posted on February 10, 2013October 28, 2013 By Chuck Bangley 3 Comments on Shark DNA Used to Buff Up Aquacultured Fish
Uncategorized

It’s not every day that catching up on scientific literature causes you to almost do a spit-take on your laptop screen.  This happened to me recently due to the weird and wild world of aquaculture.  Aquaculture is the practice of growing aquatic animals such as fish and shellfish for the purpose of food, and has been held up as both a savior and destroyer of the marine ecosystem.  To get an idea of what this generally looks like (at least here in the U.S.), Amy has a whole series of posts on aquaculture operations in North Carolina.

As with land-based farming, aquaculturists are motivated to find ways to increase the food value of their stock.  The methods used are varied, from high-protein feed mixes to genetic manipulation.  Recently, farmed salmon genetically-modified to grow larger and faster than their wild conspecifics have been approved for human consumption by the FDA, though not without debate.  This man-made subspecies was created by modifying the already-existing DNA of the fish, but what if it turned out that simply injecting DNA from a different species could improve the growth and protein output of farmed fish?  And what if that foreign DNA came from sharks?

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Inaugural Post: Fishermen Are Not Evil

Posted on January 31, 2013October 28, 2013 By Chuck Bangley 1 Comment on Inaugural Post: Fishermen Are Not Evil
Conservation

Hi everyone.  I’m Chuck and I used to blog primarily over at Ya Like Dags?, where my main focus was on interactions between apex predators (sharks mostly, but I also occasionally dabbled in other large fish and sea mammals) and those other top marine predators, humans.  This was not in the “shark attack” sense, but in the context of fisheries management.  Writing about this subject and living it as part of my research have given me valuable perspective on marine science and conservation that I really didn’t have as a freshly-minted Bachelor of Science.

Unfortunately I see more extreme versions of my old perspective show up in countless blog comments, posts, and tweets by perfectly well-meaning people whose only issue is that they’ve fallen for a simplistic, “us vs. them” attitude towards conservation.  Consumptive uses of the ocean, such as fishing, are inherently evil and must be opposed.  This no-compromise approach sounds cool and may bring in the TV ratings, but is it truly helpful?

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