Pacific sleeper shark tissue is reported to be toxic to people and other animals. They are probably only preyed upon by other sharks. Commercial fishermen regularly kill Pacific sleeper sharks that they catch while fishing for black cod and halibut.
- Wright, Bruce A., 2011. Alaska Predators, Their Ecology and Conservation. Hancock House Publishing. 119 pages. http://www.hancockhouse.com/products/alapre.htm
No one has provided updates yet.