Latest Pisaster Stories
California marine biologists are reporting the spread of a mysterious bacteria that is killing starfish up and down the West Coast – transforming the echinoderms into a pile of goo in the process.
Scientists have discovered that one species of starfish has a remarkable strategy to avoid overheating in the sun.
Canadian zoologists have determined elevated water temperatures and high carbon dioxide concentrations can boost the growth of a species of sea star. The University of British Columbia scientists said their study is one of the first to look at the impact of ocean acidification on marine invertebrates that don't have a large calcified skeleton or external shell.
New research by UBC zoologists indicates that elevated water temperatures and heightened concentrations of carbon dioxide can dramatically increase the growth rate of a keystone species of sea star.
The ochre sea star (Pisaster ochraceus), also known as the ochre starfish or the purple sea star, is a species of starfish that is classified within the Asteriidae family. This species can be found in the Pacific Ocean in a range that extends from Santa Barbara Co., California to Prince William Sound in Alaska. This species holds one subspecies, known as Pisaster ochraceus segnis, which can be found in warmer waters that the ochre sea star. Adult individuals prefer a habit in rocky areas at...
The giant sea star (Pisaster giganteus) is a species of starfish that is classified within the Asteriidae family. It can be found along the western coasts of North America, with a range that extends from British Columbia to southern California. It resides in areas with low tides, where sand contains abundant substrate to which the starfish can cling. The giant sea star is broad and holds wide arms, reaching between 14.1 and 18.8 inches from arm to arm. Like other starfish species, this sea...
The pink sea star (Pisaster brevispinus), also known as the short-spined sea star or the giant pink sea star, is a species of starfish that is classified within the Asteriidae family that can be found in the Pacific Ocean. It prefers to reside in muddy or sandy areas at depths of up to 590 feet, although smaller individuals can be found in rocky areas. This species was made famous by the show Spongebob Squarepants, where the main character’s best friend is a pink sea star. The pink sea...
- The act of burning, scorching, or heating to dryness; the state or being thus heated or dried.
- In medicine, cauterization.