By Kevin Zelnio, on  October 8th, 2010 Adaptations, Mating & Reproduction, New Research Best of Zelnio, Bio-foam, Dispersal, larvae, larval dispersal, Marine Reserve Design, Pyura praeputialis, sea squirt, SLOSS, Spawning, Surfactants, Tidal Channels, Tunicate Long time readers will know how perverse and socially inappropriate the unseemly sea squirt is. But there is an interesting property of sea squirt pornography and local oceanography that may have consequences in the debates surrounding marine reserve design. Castillo and colleagues examined the spawning behavior of intertidal tunicates (Pyura praeputialis, an invasive) from the . . . → Read More: Sea Squirts, SLOSS, and Sex
By Kevin Zelnio, on  June 30th, 2008 Adaptations, Conservation & Environment, New Research, Organisms Asexual, Ballast, Best of Zelnio, Dispersal, Genetics, Heterochrony, Hydroid, Hydromedusa, Invasion, Medusa, Phenotypic Plasticity, Polyp, Reproduction, Transdifferentiation, Turritopsis Dr. Maria Pia Miglietta, a postdoc in my lab at Penn State, just published a fascinating paper on a “silent invasion” happening around the world’s oceans in the journal Biological Invasions. Those may look like tentacles, but in reality they are the nunchuks of rapid expansion of a stealthy marine invasion. Intonjutsu: Cheating Death In . . . → Read More: Hydromedusa Mounts Ninja Style Invasion
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