#dextral — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #dextral, aggregated by home.social.
-
CW: Snakes (and snails)
Speaking of #dextral and #sinistral #snail shells, they often occur via co- #evolution with #predation:
“Asian snail-eating #snakes (Pareas) have more teeth on the right mandible and specialize in predation on the clockwise-coiled majority in shelled snails by soft-body extraction. Snails have countered the snakes’ dextral-predation by recurrent coil reversal, which generates diverse counterclockwise-coiled prey where Pareas snakes live.”
🐌 🐍
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4820687/#!po=26.9231
-
The vast majority of #gastropod species has #dextral (right-handed) shell. #Sinistral individuals are extremely rare in snails. Here is a very nice citizen science project investigating the developmental origin of this #chirality. #science biology #ontogeny #snail #shell #citizenscience
📄 Davison et al. (2020) Internet ‘shellebrity’’ reflects on origin of rare mirror-image snails.’ Biology Letters 16:20200110 http://dx.doi.org/10.1098/rsbl.2020.0110