Guinotia dentata
... that the freshwater crab Guinotia dentata prefers shady rivers to sunny ones?
... that the <a href="./Freshwater_crab" id="mwBFk" rel="mw:WikiLink" title="Freshwater crab">freshwater crab</a> <i id="mwBFo"><b id="mwBFs"><a class="mw-redirect" href="./Guinotia_dentata" id="mwBFw" rel="mw:WikiLink" title="Guinotia dentata">Guinotia dentata</a></b></i> <i id="mwBF0">(pictured)</i> prefers shady rivers to sunny ones?