The Eastern Pacific black ghostshark (Hydrolagus melanophasma), a new species from California and Baja California, not taunting other marine life with its retractable forehead genitalia. Credit: MBARI Chimaeras are sharks much cooler cousins. They are not sharks, i.e. elasmobranchs, but rather a whole other subclass, Holocephali, that split from sharks nearly 400 mya. They are . . . → Read More: Another Species With Forehead Sexual Organs