This bill designates the bluntnose sixgill shark, scientifically known as Hexanchus griseus, as the official state shark of Washington. The legislation highlights the unique characteristics of the bluntnose sixgill shark, including its six gill slits and significant size, as well as its historical presence in Washington's coastal and Puget Sound waters. The bill emphasizes the accessibility of this species in the state's inland marine environments, making it a notable attraction for residents, researchers, and divers. The city of Des Moines is specifically mentioned as the "sixgill capital of the world" due to its frequent sightings and research activities related to this shark.

The bill aims to promote public awareness of Washington's marine ecosystems, encourage science-based education, and support conservation efforts for the bluntnose sixgill shark. By officially designating this species as the state shark, the legislation seeks to foster a greater appreciation for marine life and the importance of preserving such iconic species for future generations.