I am really loving the new paper by O’Hara et al. The gist is we typically think of the different oceans having unique sets of deep-sea organisms. A Pacific set of animals, an Atlantic set, an Indian set and so on. But O’Hara and colleagues show instead that brittle stars are differentiated along broad latitudinal bands. This . . . → Read More: Deep-Sea Creatures Play in the Same Band
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By Dr. M, on  February 6th, 2011  One comment  Biodiversity, Ecology, Evolution, New Research  bathyal, biogeography, brittle star, latitude By Kevin Zelnio, on September 2nd, 2009 Leave a comment Biodiversity, Expeditions Asteroid, Axial Seamount, brittle star, Caldera, Coaxial, holothurian, Juan de Fuca, lava, Ophiuroid, Pteropod, rattail, Sea Cucumbers, Sea Stars, sponge A report from Dr. M while he is at sea in the northeast Pacific. You can also follow the expedition here. Monday was consumed with our second dive on the north end of Coaxial (46.5191126, -129.588406) along the Juan de Fuca Ridge. Two and a half kilometers down we slowly make our way across lava . . . → Read More: NE Pacific Expedition Day 6 & 7
By Dr. M, on July 9th, 2009 Leave a comment Adaptations, Biodiversity, Coral, Critters, Mating & Reproduction, New Research, Seeps, Vent, & Whale Falls brittle star, Coral, Echinodermata, marriage, mooching, mutualism, Octocoral, settlement, Settlement Cue, suspension feeding Brittle star (red) entwines the branches of its lifelong coral partner (pink). Credit: L. Watling for NOAA/IE/URI I mean it, FOREVER! No paper out yet but the abstract has sufficiently enticed me. Mosher and Watling report that the species Phiocreas oedipus, an echinoderm that kills its father and marries it mother, is only found on . . . → Read More: Coral and Brittle Stars, Together Forever
By Dr. M, on May 17th, 2009 3 comments Biodiversity, Mating & Reproduction breeding site, brittle star, Chris Mah, fertilization, Japan, Mating, Ophiodaphne, Reproduction, sandollars, Sea of Japan, sex, Sex Week, spawn, Tsuruga Bay A. manni, picture courtesy of C. Mah Post from Chris Mah, purveyor of all echinoderm. Dr. Christopher Mah is a NSF Postdoctoral Fellow at the Smithsonian National Museum of Natural History. He obtained his Ph.D. from the University of Illinois and conducts reasearch on the biodiversity, biogeography, evolution, and ecology of Asteroidea. Despite his short . . . → Read More: The Sand Dollar Love Shack: A Special Echinoblog to DSN
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