Fish

Dogfish

The spiny dogfish, spurdog, mud shark, or piked dogfish is one of the best known species of the Squalidae (dogfishes) family of sharks, which is part of the Squaliformes order.

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Cuttlefish

Marine molluscs with internal shells (cuttlebone) and the ability to rapidly change colour. Cuttlefish, or cuttles, are marine molluscs of the family Sepiidae. They belong to the class Cephalopoda which also includes squid, octopuses, and nautiluses. Cuttlefish have a unique internal shell, the cuttlebone, which is used for control of buoyancy. They have large, W-shaped

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Cusk-eel

Eel-like fish of the family Ophidiidae, distinct from true eels but similarly disqualified. The cusk-eel family, Ophidiidae, is a group of marine bony fishes in the Ophidiiformes order. The scientific name is from the Greek ophis meaning “snake”, and refers to their eel-like appearance. True eels diverged from other ray-finned fish during the Jurassic, while

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Crayfish

Freshwater crustaceans resembling small lobsters. Popular in Cajun and Nordic cuisine. The Caridea, commonly known as caridean shrimp or true shrimp (from Ancient Greek καρίς, καρίδος (karís, karídos, “shrimp”), are an infraorder of shrimp within the order Decapoda. This infraorder contains all species of true shrimp. They are found widely around the world in both

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Crab

Decapod crustaceans with short tails folded under their bodies and a thick, protective exoskeleton. The blonde ray or blonde skate (Raja brachyura) is a species of cartilaginous fish in the skate family Rajidae. It is found in the Eastern Atlantic and the Mediterranean. Description Like all rays, the blonde ray has a flattened body with

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Conger eel

The European conger is a species of conger of the family Congridae. It is the heaviest eel in the world and native to the northeast Atlantic, including the Mediterranean Sea.

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Conch

Large marine gastropods with distinctive spiral shells, eaten in Caribbean cuisine. Aliger gigas, originally known as Strombus gigas or more recently as Lobatus gigas, commonly known as the queen conch, is a species of large sea snail, a marine gastropod mollusc in the family of true conches, the Strombidae. This species is one of the

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Clam

Bivalve molluscs with two hinged shells, burrowing in sand or mud. Bivalvia () or bivalves, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of aquatic molluscs (marine and freshwater) that have laterally compressed soft bodies enclosed by a calcified exoskeleton consisting of a hinged pair of half-shells known as valves.

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Catfish

Any of about 3,000 ray-finned fish in the order Siluriformes. Known for their prominent barbels (“whiskers”) and smooth, scaleless skin. Catfish are a diverse group of ray-finned fish of the order Siluriformes (historically Nematognathi). Catfish are named for their prominent barbels, which resemble a cat’s whiskers, though not all catfish have prominent barbels. All Siluriformes

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Burbot

The burbot, also known as bubbot, mariah, loche, cusk, freshwater cod, freshwater ling, freshwater cusk, the lawyer, coney-fish, lingcod, or eelpout, is a species of coldwater ray-finned fish native to the subarctic regions of the Northern Hemisphere. It is the only member of the genus Lota, and is the only freshwater.

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This is a guide, not a halachic ruling. When in doubt, ask a trusted rabbi.