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''. It is found in the deep waters of the

continental shelf A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an island ...

in the Indo-West Pacific, from

East Africa East Africa, Eastern Africa, or East of Africa, is the eastern subregion of the African continent. In the United Nations Statistics Division scheme of geographic regions, 10-11-(16*) territories make up Eastern Africa: Due to the historical ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

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

References

blacktip tope 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''. It is found in the deep waters of the continental shelf in ...

Marine fauna of East Africa Fish of the Persian Gulf Fish of Japan Fish of Taiwan Marine fish of Southern Australia

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