The Taiwan sleeper shark (''Somniosus cheni'') is a small

sleeper shark The Somniosidae are a family of sharks in the order Squaliformes, commonly known as sleeper sharks. The common name "''sleeper shark''" comes from their slow swimming, low activity level, and perceived non-aggressive nature. Distribution and hab ...

from the western

North Pacific Ocean North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north'' ...

around

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

. It is only known from a single adult specimen, a pregnant female with 33 embryos, which was caught in 2017.

References

{{Taxonbar, from=Q108470791 Fish described in 2020 Somniosus Species known from a single specimen