South Asia
Mach Kata (Fish Knife)
Bengal and the wider Eastern South Asian coastal and riverine region

A small, sturdy knife used specifically for cleaning, scaling, and filleting fish, a dedicated tool in regions where fish is a dietary staple and requires frequent, skilled processing at home.
Material & Construction
A short, stiff steel blade suited to scraping scales and making precise cuts along fish bones, generally kept separate from vegetable and meat knives.
Traditional Uses
Scaling, gutting, and filleting fish, tasks performed frequently enough in fish-centric households to warrant a dedicated blade kept apart from general kitchen knives.
Modern Availability / Equivalents
A Western fish-filleting knife serves an equivalent function; both are commonly found side by side in modern South Asian kitchens.
Care & Maintenance
Rinse thoroughly after use to remove fish residue, dry fully, and oil if carbon steel, since fish handling accelerates rust.

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