A fish with humanoid teeth

Courtesy of National Geographic, here is a photo of the pacu (Piaractus brachypomus), an Amazonian fish with a set of remarkably human-like choppers. It’s no surprise that they are herbivorous — eating mainly seeds — and that they can inflict a nasty bite.  They’re related to piranhas. Photo from National Geographic website

World’s weirdest fish

Meet Histiophryne psychedelica, discovered a year ago in Indonesia and just described by Pietsch et al. in the February edition of Copeia.  I’ve never seen a weirder fish, and what’s even more amazing is that it moves by hopping along the ocean floor using jets of water expelled from the gill slits.  You can read […]

Neanderthals and sex

by Greg Mayer A couple of news items from the past month deserve a quick comment or two. First, at the American Association for the Advancement of Science annual meeting in Chicago last month, Svante Paabo of the Max Planck Institute announced the completion of a draft genome for Neanderthal man, and that it indicated […]