<i>Melanoides tuberculatus</i>. Arrows are pointing to the pallial tentacles for breathing.
<bdi><a href="https://www.wikidata.org/wiki/Q58300160" class="extiw" title="d:Q58300160"><span title="Czech malacologist and Wikipedian">Michal Maňas</span></a>
</bdi>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>