<http://schema.org/about>
"A male fish from Mexico has some fearsome genitalia. Equipped with four hooks, the male's sex parts might allow him to grab onto a resistant female during matin"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/mosquitofish-sports-fearsome-genitalia>