EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Blue Star Foods Corp. (the “Company”), for the quarter ended June 30, 2025, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John Keeler, Executive Chairman and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

	(1)	The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

	(2)	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

Date: August 18, 2025	By:	/s/ John Keeler
	Name:	John Keeler
	Title:	Executive Chairman and Chief Executive Officer
		(Principal Executive Officer, Principal Financial Officer and Accounting Officer)

Blue Star Foods Corp. 10-Q