Is Hardhead kosher?
Yes — Hardhead is kosher under Jewish dietary law.
Hardhead has fins and scales, which are the two requirements for kosher fish under Jewish dietary law (Leviticus 11:9-12).
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About Hardhead
See: Carps USS Hardhead (SS-365), a Balao-class submarine, was a ship of the United States Navy named for the hardhead, a fish of the croaker family. Construction and commissioning Hardhead was launched by the Manitowoc Shipbuilding Company at Manitowoc, Wisconsin on 12 December 1943, sponsored by Mrs. Inez Riddle McDonald, wife of Lieutenant Commander Eugene F. McDonald (Retired), President of Zenith Radio Corporation, and commissioned on 18 April 1944. Service history Following shakedown training in Lake Michigan Hardhead entered a floating dry dock at Lockport, Illinois, and was towed to New Orleans, Louisiana, where she arrived on 16 May 1944. She got underway from Algiers, Louisiana, on 22 May1944, and arrived at Balboa, Panama Canal Zone, five days later. There she took part in additional training exercises before her arrival at Pearl Harbor, Hawaii, on 7 July 1944. First war patrol, July – September 1944 Hardhead, departed on her first war patrol 27 July and proceeded to her patrol area off the Philippines. Early 18 August she detected the Japanese cruiser Natori east of San Bernardino Strait, and closed for a surface attack. The first well-directed salvo stopped the cruiser... The hardhead catfish (Ariopsis felis) is a species of sea catfish from the northwest Atlantic and Gulf of Mexico, and similar to the gafftopsail catfish (Bagre marinus). It is one of eight species in the genus Ariopsis. The common name, hardhead catfish, is derived from the presence of a hard, bony plate extending rearward toward the dorsal fin from a line between the catfish's eyes. It is an elongated marine catfish that reaches up to 28 in (70 cm) in length and 12 lb (5.5 kg) in weight. Their typical weight is less than 1 lb (450 g), but they commonly reach up to 3 lb (1.4 kg). They are often a dirty gray color on top, with white undersides. Habits, distribution, and characteristics Hardhead catfish are found mostly in the near-shore waters of the Western Atlantic Ocean, around the southeast coast of the United States, around the Florida Keys and the coast of the Gulf of Mexico. Hardhead catfish are also found in brackish estuaries and river mouths where the bottom is sandy or muddy, but only occasionally enter freshwater. It tends to move from shallower to deeper waters in the winter months. The species is generally common to abundant within its range. The hardhead catfish...
Source: kosherfish.co/kosher-fish-list (snapshot 2025-12-19); Wikipedia (CC BY-SA 3.0)