Humboldt Squid’s impressive dives By Jonothan Amos The energetic world of Humboldt squid has been detailed in new tracking studies that follow the creatures as they dive and climb through the ocean. The animals are found in warmer waters of the eastern Pacific and live an up-down existence as they follow prey. Julia Stewart from Stanford University fitted tags to the cephalopods, and found them to be spending many hours in very oxygen-poor California waters. Ms Stewart spoke about her work at the biennial Ocean Sciences meeting. The tagging study followed the creatures as they dove hundreds of metres into the deep during the day, only to return to surface waters at night. “We’ve seen them make really impressive dives up to a kilometre and a half deep, swimming straight through a zone where there’s really low oxygen,” the Hopkins Marine Station researcher said. “They’re able to spend several hours at this kilometre-and-a-half-deep, and then they go back up and continue their normal daily swimming behaviour. It’s just a really impressive, really fast, deep dive through what is quite a harsh environment.” Read More: BBC

Humboldt Squid’s impressive dives

By Jonothan Amos

The energetic world of Humboldt squid has been detailed in new tracking studies that follow the creatures as they dive and climb through the ocean.

The animals are found in warmer waters of the eastern Pacific and live an up-down existence as they follow prey.

Julia Stewart from Stanford University fitted tags to the cephalopods, and found them to be spending many hours in very oxygen-poor California waters.

Ms Stewart spoke about her work at the biennial Ocean Sciences meeting.

The tagging study followed the creatures as they dove hundreds of metres into the deep during the day, only to return to surface waters at night.

“We’ve seen them make really impressive dives up to a kilometre and a half deep, swimming straight through a zone where there’s really low oxygen,” the Hopkins Marine Station researcher said.

“They’re able to spend several hours at this kilometre-and-a-half-deep, and then they go back up and continue their normal daily swimming behaviour. It’s just a really impressive, really fast, deep dive through what is quite a harsh environment.”

Read More: BBC
  • BBC

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