Tags » Cnidaria

Taxonomist Appreciation Day: Use taxonomy to meet your hero? Ferdinando Boero did!

In 2003 I was illustrating animals for Grzimek’s Animal Life Encyclopedia; while doing research for the chapter on hydrozoans (relatives of  jellyfish), I learned that one of the species I was to illustrate was named after Frank Zappa. 179 more words

Illustration News

Natural high pCO2 increases autotrophy in Anemonia viridis (Anthozoa) as revealed from stable isotope (C, N) analysis

Contemporary cnidarian-algae symbioses are challenged by increasing CO2 concentrations (ocean warming and acidification) affecting organisms’ biological performance. We examined the natural variability of carbon and nitrogen isotopes in the symbiotic sea anemone Anemonia viridis to investigate dietary shifts (autotrophy/heterotrophy) along a natural pCO2 gradient at the island of Vulcano, Italy. 185 more words

Science

Egg Yolk Jellyfish

Phacellophora camtschatica, the Egg Yolk Jelly. Just by looking at it, you can tell where it got its name! These jellyfish can reach a size of about two feet across, with tentacles 20 feet long. 10 more words

Mystery Revealed: A Common Coral in Arkansas

It is the unfortunate fact of life that volunteer efforts are all too often derailed by other pursuits. Such is the case for last week’s Mystery Monday fossil. 701 more words

Paleontology

Beauty on a Dark Day

Cruising on the remote, outer Central Coast of BC, we had anchored in a cove on Stryker Island. It was an utterly gray day with an almost steady rain, so I declined the invitation to go paddling. 369 more words

Photos

Compass Jellyfish

Chrysaora hysoscella,  the Compass Jelly, is common to the waters of the Atlantic and Mediterranean oceans. Its radially symmetric line markings give it its name. 30 more words