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INVERTEBRATE MEDICINE, Second Edition BLOG

Hot Topic Article: Disposable penis and its replenishment in a simultaneous hermaphrodite.

Ayami Sekizawa of the Department of Biology and Geosciences, Osaka City University, Osaka Japan and colleagues have discovered that a species of nudibranch can autotomize its penis after copulating, and via "penis replenishment," is able to
copulate again in less than 24 hours. Following copulation penis autotomy occurred within 30 minutes. The authors observed and recorded over 30 reciprocal copulations for this study. Like many gastropods, Chromodoris reticulata is a simultaneous hermaphrodite, but this mating  Read More 
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