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Tag: tunicates

Fisherman catches cosmopolitan planktonic tunicate. You’ll never guess what various news agencies are calling it.

Posted on January 22, 2014January 22, 2014 By Andrew Thaler 3 Comments on Fisherman catches cosmopolitan planktonic tunicate. You’ll never guess what various news agencies are calling it.
Science

“Translucent fish leaves New Zealand fisherman stunned” ~UK Metro

“Shrimp-like Translucent Sea Creature Found off Northland’s East Coast” ~Science World Report

“Now that’s a jelly fish! Stunned fisherman catches wobbly shrimp-like creature” ~Daily Mail

And another half-dozen variations on translucent, fish, shrimp, and baffled.

article-2543194-1AD845CC00000578-850_634x476This creature, whose image has gone viral in the last few days, is a salp. Salps are pelagic tunicates that drift through the open ocean, sometimes solitary, but often in large aggregations. It both swims and feed by pumping water through its body, filtering out plankton and expelling a jet of water from an organ called the excurrent siphon. In the water they look quite majestic.

Read More “Fisherman catches cosmopolitan planktonic tunicate. You’ll never guess what various news agencies are calling it.” »

Grampa Hagfish: say hello to your greatest uncle

Posted on October 20, 2010October 20, 2010 By Andrew Thaler 6 Comments on Grampa Hagfish: say hello to your greatest uncle
Science

Image from http://www.zoology.ubc.ca/labs/biomaterials/slime.html

Today is Hagfish Day! Who knew?

What is a hagfish?

Hagfish are primitive eel-like chordates make famous for their relative unattractiveness*, profuse production of slime, and charismatic ability to tie themselves in knots. They are perhaps the only ‘fish’ that possesses a skull, but no vertebral column. But the question “What is a hagfish?” goes much deeper than that and it’s answer is fundamental to the evolution of vertebrates and, ultimately, us.

Read More “Grampa Hagfish: say hello to your greatest uncle” »

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