JOHNS ISLAND -- The snail just didn't look right. It should have been just another Physa acuta, another of those tadpole snails that can be found nearly anywhere in the world. This slimy, tick-sized ...

Durham, NC – Solitary snails in search of a mate put off parenthood as long as possible in the hopes that a partner will appear. But when Physa acuta snails smell predators, they don't wait as long ...

Inbreeding depression, one of the main factors driving mating system evolution, can itself evolve as a function of the mating system (the genetic purging hypothesis). Classical models of coevolution ...

These Physa acuta snails prefer to mate with a partner rather than fertilize themselves. But if a suitor is nowhere to be seen, solitary snails change their dating and mating strategy when danger is ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Watch a Physa acuta heart beating with sound! Physella acuta, common name the European physa, is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic gastropod ...

Reproductive performance is often age-dependent, showing patterns of improvement and/or senescence as well as trade-offs with other traits throughout the lifespan. High levels of extrinsic mortality ...