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Photo of a Blue Mussel

Species profile

Blue Mussel

Mytilus edulis

Clams/oysters/mussels12.3K iNat observations

At a glance

Blue Mussel (Mytilus edulis) is a bivalve mollusk regulated in 19 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

The strictest bag limit is 0.5 (New York); the most generous is 300 (Federal Waters (DFO)).

Confirmed by 4,761 research-grade iNaturalist observations, with Massachusetts, Maine, and New Jersey the top jurisdictions by observation count.

Notable details

  • Blue Mussels are one of the world's most widely farmed shellfish, grown on suspended ropes.
  • They can live up to 18 years and filter roughly one liter of water per hour.
  • Blue Mussels tolerate a wide range of salinities, allowing them to thrive in estuaries and bays.
  • Their shell exterior ranges from dark blue to purple, with a pearly white interior.
  • A single mussel can produce millions of eggs in one spawning event.

Background

The blue mussel (Mytilus edulis), also known as the common mussel, is a medium-sized edible marine bivalve mollusc in the family Mytilidae, the mussels. Blue mussels are subject to commercial use and intensive aquaculture. A species with a large range, empty shells are commonly found on beaches around the world.

Background excerpt adapted from Wikipedia's Blue Mussel article (CC BY-SA). Visit Wikipedia for the full entry.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.