Hypophthalmus
...that catfish species of the genus Hypophthalmus are unusual among neotropical fishes because they feed on plankton by straining water over a fine sieve created by numerous long, thin gill rakers?
...that <a href="./Catfish" id="mwAQU" rel="mw:WikiLink" title="Catfish">catfish</a> <a href="./Species" id="mwAQY" rel="mw:WikiLink" title="Species">species</a> of the <a href="./Genus" id="mwAQc" rel="mw:WikiLink" title="Genus">genus</a> <i id="mwAQg"><b id="mwAQk"><a href="./Hypophthalmus" id="mwAQo" rel="mw:WikiLink" title="Hypophthalmus">Hypophthalmus</a></b></i> are unusual among <a class="mw-redirect" href="./Neotropics" id="mwAQs" rel="mw:WikiLink" title="Neotropics">neotropical</a> fishes because they feed on <a href="./Plankton" id="mwAQw" rel="mw:WikiLink" title="Plankton">plankton</a> by straining water over a fine <a href="./Sieve" id="mwAQ0" rel="mw:WikiLink" title="Sieve">sieve</a> created by numerous long, thin <a href="./Gill_raker" id="mwAQ4" rel="mw:WikiLink" title="Gill raker">gill rakers</a>?