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Photo of a Mud Fiddler Crab

Species profile

Mud Fiddler Crab

Minuca pugnax

Crabs/lobsters/shrimp4.1K iNat observations

At a glance

Mud Fiddler Crab (Minuca pugnax) is a crustacean present across the CatchRules coverage area but without species-specific bag, size, or season rules tracked in our regulatory dataset.

Confirmed by 3,186 research-grade iNaturalist observations, with Massachusetts, New Jersey, and New York the top jurisdictions by observation count.

Notable details

  • Males wave their one enlarged claw in species-specific rhythms to attract mates.
  • Retreats to its burrow at high tide and forages for detritus when the tide drops.
  • An important food source for herons, egrets, and shorebirds along Atlantic mudflats.
  • One of the most abundant crabs on Atlantic salt-marsh mudflats from New England to Florida.

Background

Minuca pugnax, commonly known as the Atlantic marsh fiddler crab, is a species of fiddler crab that lives on north-western shores of the Atlantic Ocean.

Background excerpt adapted from Wikipedia's Mud Fiddler Crab 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.