The blacktip tope (Hypogaleus hyugaensis), also known as pencil shark or blacktip topeshark, is a houndshark of the family Triakidae, and the only member of the genus Hypogaleus.
The blacktip tope (Hypogaleus hyugaensis), commonly called the pencil shark or blacktip topeshark, is a type of houndshark belonging to the Triakidae family. It's the sole species within its genus, Hypogaleus.