West Coast Crab & Lobster Measuring Gauge
This multi-state West Coast measuring gauge is designed to help recreational crabbers and lobster fishermen quickly verify legal size before harvest. Built for durability and clarity, it supports the most common West Coast crab and lobster regulations in one easy-to-use tool.
Supported Measurements:
California Spiny Lobster – 3¼" carapace
Washington Red Rock Crab – 5"
Washington & Oregon Dungeness Crab – 6¼"
Clearly marked step-down notches for quick pass/fail checks
Built for Real Use:
Durable, marine-ready plastic construction
High-contrast measurement markings for easy reading
Compact, lightweight, and easy to stow on a boat or pier
Lanyard hole for securing to gear or bucket
Why Use a Dedicated Gauge?
Measuring by eye or with improvised tools can lead to mistakes that cost time, catch, or citations. This gauge removes the guesswork by matching commonly enforced West Coast size regulations in a single, straightforward design.
The West Coast crustacean gauge is designed to help recreational and commercial harvesters accurately measure crustaceans according to applicable West Coast regulations.
California • Washington • Oregon Compliant
**Color and font may vary
Important Note: Fishing and harvesting regulations vary by state, region, and season. This gauge is designed to assist with measurement only. Always verify current local regulations before harvesting.












