Showing posts with label shrimp and krill. Show all posts
Showing posts with label shrimp and krill. Show all posts

Saturday, March 20, 2010

Rare video of Antarctic krill swimming

Wikipedia:

In the Southern Ocean, one species, the Antarctic krill, Euphausia superba, makes up an estimated biomass of over 500 million tonnes, roughly twice that of humans. Of this, over half is eaten by whales, seals, penguins, squid and fish each year, and is replaced by growth and reproduction. Most krill species display large daily vertical migrations, thus providing food for predators near the surface at night and in deeper waters during the day.
 Because krill oil is said to be a good source of the omega 3 oils DHA and EPA, there is an emerging market for krill oil as a dietary supplement ingredient. Which might or might not be a good thing, as the use of fish for omega 3 supplements has led to overfishing.

Read more...

Tuesday, March 16, 2010

How humpback whales hunt Antarctic krill

The whales have an amazing strategy.

Read more...

Video of shrimp creature discovered under thick ice

NASA/AP reports:

This video frame grab image provided by NASA, taken in Dec. 2009, shows a Lyssianasid amphipod, which is related to a shrimp, where a NASA team lowered a video camera to get the first long look at the underbelly of an ice sheet and a curious shrimp-like creature came swimming by and then even parked itself on the cable attached to the camera. In a surprising discovery that shakes the idea of where higher life can thrive, scientists for the first time found a shrimp-like creature and a jellyfish frolicking beneath a massive Antarctic ice sheet.

Read more...

  © Blogger templates The Professional Template by Ourblogtemplates.com 2008

Back to TOP