US lawOregonRegulationsChapter 635 — Department of Fish and WildlifeDivision 500 — FISH MANAGEMENT PLANS635-500-0470OAR 635-500-0470OAR 635-500-0470. Other Shellfish SpeciesLast amended: 1990Length: 20 wordsOfficial source It is the objective of the Department to maintain the abundance of crawfish, red rock crab, clams, mussels, and piddocks.PreviousOAR 635-500-0465NextOAR 635-500-0475