
Most snails walk the line and stick with doing the dirty deed missionary-style. No one even thinks about any of that kinky, low-down, unholy ways of propagating the world. But Schilthuizen and colleagues report in the Journal of Evolutionary Biology (open access!) that one disgusting species of snail actually selects for anti-chiral mates (Figure to [...]
In a study published in American Naturalist, Konuma & Chiba publish demonstrated an interesting evolutionary trade-off between “force” and “fit” in carabid beetles (such as Damaster blaptoides to the left) that feed on land snails. Force means the beetles are stout, large-headed and able to crush snail shells with powerful jaws. Alternatively, they can be [...]