Quantcast

Latest Pyrosome Stories

bbc022ca431c788ac62780675655cec0
2011-07-05 08:00:47

Woods Hole Oceanographic Institution (WHOI) researchers have filled an important gap in the study of tunicate evolution by genetically sequencing 40 new specimens of thaliaceans,  gelatinous, free-swimming types of tunicates. Their study was featured on the cover of the June issue of the Journal of Plankton Research. Tunicates are a phylum of animals closely related to vertebrates, with a firm, rubbery outer covering called a tunic, from which the name derives. "Thaliaceans have been...


Latest Pyrosome Reference Libraries

Atlantic Fire Ascidian, Pyrosoma atlanticum
2014-01-12 00:00:00

Pyrosoma atlanticum is a species of colonial tunicate found in temperate waters worldwide, usually between 50°N and 50°S. It is most plentiful at depths below 800 feet. It is found in colonies that are pelagic and move throughout the water column. In the evening the colony will move closer to the surface and descend back by dawn. Large colonies can rise and descend more than 2,500 feet in a single day. A colony of this species is cylindrical and can grow up to 2 feet long and 2.5 inches...

More Articles (1 articles) »
Word of the Day
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.