The Beacon

Blog Tags: Octopuses

Ocean Roundup: Acidification Masking Shark Smelling Abilities, New Fishery Rule to Protect Endangered Albatross, and More

Smooth dogfish could lose their sense of smell from acidification

A smooth dogfish (Mustelus canis). (Photo: Erickson Smith / Flickr Creative Commons)

- NOAA has proposed a new rule to for West Coast commercial fishermen that intends to the endangered short-tailed albatross, a seabird whose numbers are down to 1,200 individuals. The rule requires fishermen to deploy streamer lines, already required off Alaska and Hawaii, which would scare off albatross from eating bait. The Associated Press


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Video: Dumbo Octopus Makes Rare Appearance in the Gulf of Mexico

Dumbo octopus appears on film for the Nautilus Live expedition

The dumbo octopus (Grimpoteuthis spp.) (Photo: EVNautilus / Nautilus Live Expedition / YouTube)

It’s not often that rare, deep-sea creatures present themselves to scientists in plain sight. But in a video captured last month during Nautilus Live, a five-month expedition that’s mapping and documenting seafloor ecosystems around the Gulf of Mexico and Caribbean Sea, an elusive dumbo octopus in the Gulf delighted scientists when it swam right in front of their remotely operated vehicle (ROV).


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The Scanner: Moving Forward Edition

Happy Friday, everyone.

It's been a rough few weeks for the oceans at CITES, but now it's time to pick up the pieces. If CITES taught us anything, it's that the work of the ocean conservation community is more important than ever.

This week in ocean news,

....Rick at Malaria, Bed bugs, Sea Lice and Sunsets discussed one of the more shady aspects of CITES: the secret ballots, which were invoked for votes on bluefin tuna, sharks, polar bears, and deep water corals.

…The Washington Post reported that Maryland is cracking down on watermen who catch oysters in protected sanctuaries or with banned equipment. Once a principal source of oysters, the Chesapeake now provides less than 5 percent of the annual U.S. harvest.

…For the first time, scientists were able to use videos to observe octupuses’ behavioral responses. The result? The octupuses had no consistent reaction to one film -- in other words, they had no “personality.” Curiously, other cephalopods display consistent personalities for most of their lives.

…The New York Times wondered if the 700,000 saltwater home aquariums in the United States and the associated trade in reef invertebrates are threatening real reef ecosystems.


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