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McCain v. Mary Mahoney’s — Fifth Circuit revived fish-substitution class action

Reported / Citable

Case
Todd McCain, individually and on behalf of all others similarly situated v. Mary Mahoney’s, Incorporated, doing business as Mary Mahoney’s Old French House; Anthony C. Cvitanovich; Quality Poultry & Seafood, Incorporated; James W. Gunkel; Todd A. Rosetti; Does 1-10
Court
U.S. Court of Appeals for the Fifth Circuit
Judge
King; Smith; Ramirez
Date Decided
October 16, 2026
Docket No.
25-60663
Topics
Article III Standing; Consumer Fraud; RICO; Class Actions
Source
Read the full opinion

Background

Mary Mahoney’s Old French House, a Mississippi restaurant specializing in local seafood, and its supplier participated in a years-long scheme to sell imported frozen fish as premium local fish. The restaurant, supplier, and several individuals pleaded guilty to criminal charges arising from the scheme. Mary Mahoney’s admitted that, from December 2013 through November 2019, the conspirators fraudulently sold approximately 58,750 pounds of imported frozen fish as local premium species.

Todd McCain alleged that he ordered premium local snapper at the restaurant in 2013, 2016, and 2018 but was served inferior imported frozen fish. He brought putative class claims under RICO and Mississippi law, asserting that the defendants fraudulently induced his purchases and overcharged him. The district court dismissed for lack of Article III injury, reasoning that McCain consumed the meals without complaint and had not plausibly alleged that his particular entrées contained substituted fish. It also denied his request to amend as futile.

The Court’s Holding

The Fifth Circuit held that McCain plausibly alleged a concrete economic injury. His claim was not based merely on an unrealized risk that a functional product might cause physical harm. Instead, he alleged that the defendants promised and charged him for premium local fish but delivered an inferior product lacking that expressly represented characteristic. Either purchasing fish he otherwise would not have bought or paying a premium for inferior fish could constitute a concrete injury.

The court also held that the alleged injury was sufficiently particularized at the pleading stage. McCain did not need to identify the exact percentage of mislabeled entrées or allege a substitution on each specific dining date. The admitted sale of more than 29 tons of mislabeled fish over roughly six years, together with allegations of routine substitution and orders of imported fish for sale as snapper near his August 2018 visit, supported a plausible inference that at least one of his entrées was affected. The court reversed the Rule 12(b)(1) dismissal, vacated the denial of leave to amend, and remanded without deciding the merits of McCain’s claims.

Key Takeaways

  • Paying for a product that lacks an expressly promised, material characteristic can constitute a concrete Article III injury even when the product causes no physical harm.
  • A consumer may plead a particularized injury through allegations showing that fraud was widespread, routine, and plausibly affected the consumer’s own purchase.
  • The ruling addresses standing at the pleading stage; McCain must still prove injury and the merits of his claims under the more demanding standards applicable later in the case.

Why It Matters

The decision clarifies the Fifth Circuit’s distinction between no-injury product-liability cases involving unrealized safety risks and consumer-fraud cases in which buyers allegedly receive an inferior product instead of what was promised. Detailed allegations about the scale and regularity of a substitution scheme may establish standing without tracing a particular item to the fraud at the motion-to-dismiss stage.

The ruling allows McCain’s proposed class action to proceed in the district court, but it does not establish liability, class certification, or entitlement to damages.

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