The blacktip tope (''Hypogaleus hyugaensis''), also known as pencil shark or blacktip topeshark, is a

houndshark Houndsharks, the Triakidae, are a family of ground sharks, consisting of about 40 species in nine genera. In some classifications, the family is split into two subfamilies, with '' Mustelus'', '' Scylliogaleus'', and ''Triakis'' in the subfamily ...

of the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Triakidae, and the only member of the genus ''Hypogaleus''. It is found in the deep waters of the continental shelf in the

Indo-West Pacific The Indo-Pacific is a vast biogeographic region of Earth. In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...

, from East Africa to Japan, at depths between 40 and 230 m. It can grow up to a length of 1.27 m.

References

* blacktip tope Marine fauna of East Africa Fish of the Persian Gulf Fish of Japan Fish of Taiwan Marine fish of Southern Australia blacktip tope {{shark-stub