US lawWashingtonRegulationsTitle 220 — FISH AND WILDLIFE, DEPARTMENT OFChapter 220-320 — SHELLFISH — DEFINITIONS, CLASSIFICATIONS AND GENERAL RULES220-320-020WAC 220-320-020WAC 220-320-020. Definitions — Hardshell clamLast amended: 2017Year: 2026Length: 21 wordsOfficial source "Hardshell clam" means all clams classified as shellfish under WAC 220-320-010 except geoduck clams, horse clams, and mud or softshell clams.PreviousWAC 220-320-015NextWAC 220-320-030