Latest Echinoderms Stories
Just in the past two weeks, the incidence of sea star wasting syndrome has exploded along the Oregon Coast and created an epidemic of historic magnitude, one that threatens to decimate the entire population of purple ochre sea stars.
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.
Massive numbers of dead starfish have been found in the waters around Vancouver in recent months, and scientists are currently at a loss as to the possible cause of the fatal phenomenon.
Starfish have a feeding method that is unlike any other. To eat, the echinoderm ejects its stomach from its own body -- placing it over the digestible parts of its prey, typically a mussel or clam.
A study has shown for the first time that starfish use primitive eyes at the tip of their arms to visually navigate their environment.
A new study has found that purple sea urchins Strongylocentrotus purpuratus are capable of evolving in a way that copes with potential negative impacts of ocean acidification.
Scientists have uncovered some surprising abilities in sea urchins living along the coast of California and Oregon.
White finger starfish, the beach-themed wedding favorite, is now available with bulk discounts for weddings and crafts Lake City, Fla.
Though scientists have long believed that complex organic molecules couldn’t survive fossilization, some 350-million-year-old remains of aquatic sea creatures uncovered in Ohio, Indiana, and Iowa have challenged that assumption.
A research team at Queen Mary, University of London reports that sea cucumbers and sea urchins could hold the secret to looking young.
The Red Sea Fire Urchin or Toxic Leather Sea Urchin (Asthenosoma marisrubri) is a relatively common sea urchin with a widespread distribution within the Indo-Pacific, and was, until 1998, considered a color variant of Asthenosoma Varium. Sea urchins are close relatives are crinoids, brittle stars, sea cucumbers, and starfish, all being echinoderms. This species grows to 25 centimeters in diameter, with articulated plates making the test quite flexible. It prefers water temperatures between...
Ophiocoma scolopendrina is a species of brittle star in the family Ophiocomidae. Ophiocoma scolopendrina, similar to other brittle star, have long and thin arms stemming from a small dish-shaped body and are around the size of an outstretched human hand. They belong to the phylum of echinoderms, which incorporates sea urchins, sea stars, and sea cucumbers. Dorsal disc and dorsal arm plates vary from black, multicolored black to a pale brown. The arms are abnormally banded. They can...
The orange sun star (Solaster paxillatus) is a species of starfish that is classified in the Solasteridae family. It can be found the Pacific Ocean with a range that extends from California in the United States to the Bering Sea and Japan. This species prefers to reside at depths between 36 and 12,270 feet. The orange sun star has a wide disk that appears to be inflated, especially after feeding, with eight to ten arms. It can reach fifteen inches in diameter with a color that varies...
The northern sun star (Solaster endeca), also known as the purple sun star or the smooth sun star, is a species of starfish that is classified within the Solasteridae family. It can be found in the North Sea and the Atlantic Ocean with a range that includes coastlines of Greenland, Canada, and the United States. It prefers a habitat in areas with adequate to heavy shelter and muddy or rocky sediment, at depths of up to 1,480 feet. The northern sun star is large, reaching a diameter of 7.9...
The morning sun star (Solaster dawsoni) is a species of starfish that is classified within the Solasteridae family. It can be found in northern areas of the Pacific Ocean with a range that extends from the coasts of China, Japan, and Siberia to the coasts of California in the United States. It prefers a habitat in rocky areas at depths of up to 1,380 feet. This species has two subspecies known as Solaster dawsoni dawsoni and Solaster dawsoni arcticus. It has a wide body with eight to thirteen...
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