Glanapteryginae
...that some catfishes of the subfamily Glanapteryginae live exclusively in sand?
...that some <a href="./Catfish" id="mwJA" rel="mw:WikiLink" title="Catfish">catfishes</a> of the <a class="mw-redirect" href="./Scientific_classification" id="mwJQ" rel="mw:WikiLink" title="Scientific classification">subfamily</a> <b id="mwJg"><a href="./Glanapteryginae" id="mwJw" rel="mw:WikiLink" title="Glanapteryginae">Glanapteryginae</a></b> live exclusively in <a href="./Sand" id="mwKA" rel="mw:WikiLink" title="Sand">sand</a>?