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Posts Tagged "fisheries"

Guest Blog

Catching Big Mama Fish Curbs Ocean Fertility

A gravid female cod at the U.K.'s MacDuff Aquarium. (Credit: Bruce McAdam via Flickr)

Scientists recently confirmed what anglers have known for centuries—there’s something special about a big mama fish. The bigger the fish, the better the bragging rights—and often, the bigger paycheck or prize. For centuries, this has led anglers and fishers to selectively target the largest fish in a school. But a new study published in a [...]

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Observations

Souvenir Seafood Menus Offer Glimpse into Hawaii’s Oceans of Old

A 1957 menu from Hawaiian restaurant "The Tropics." Image credit: Kyle Van Houtan

Kyle Van Houtan, a marine ecologist at Duke University and a researcher for the National Oceanic and Atmospheric Administration, has spent the last few months scouring libraries, Web sites and private collections for Hawaiian restaurant menus dating as far back as the late 1800s. Why menus? Van Houtan and his colleagues are trying to learn [...]

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Observations

How Would Fish Vote in the 2012 Election?

http://creativecommons.org/licenses/by/2.0/deed.en

This week’s look at the ScienceDebate answers provided by Gov. Mitt Romney and President Barack Obama focuses on their replies to a question about the health of our oceans and coastlines. Two areas in particular—declining fisheries and pollution—were highlighted for special consideration. Of course, the oceans also play a major role in driving weather systems [...]

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Octopus Chronicles

How To Grow a Patagonian Red Octopus

octopus eggs

Octopuses are tricky animals to keep in captivity. They’re smart, strong and slinky. But surely their eggs much be easier—being naturally contained and all. Not always, it turns out. Researchers in Chile have been on a quest to grow a local octopus species in captivity after it was overfished in the wild. The results of [...]

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Octopus Chronicles

Octopuses Feast On Florida’s Stone Crab Straight from Traps

octopus stone crab

Florida stone crabs (Menippe mercenaria) are known to diners for their sweet, meaty claws. And octopuses also seem to relish these delicacies. Reports are coming out of Florida that the stone crab fishery is way down this year—and many think local common octopuses (Octopus vulgaris) are to blame. The crabs are caught in traps, most [...]

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Octopus Chronicles

How Do You Count Giant Octopuses? Color-Code Them with Silicone [Video]

giant pacific octopus tagging tracking populations noaa

Octopuses are clever, reclusive, dexterous, strong and slippery as heck—especially those belonging to the very largest species: the giant Pacific octopus (Enteroctopus dofleini). So how are researchers to catch and track them? Certainly not with traditional nets and tags, which the octopuses can (respectively) squeeze out of and rip off. Instead, try enlisting the help [...]

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