Which Japanese Knife Is Best for Fish?
Sep 27, 2026
The best Japanese knife for fish depends on the stage of preparation. Breaking down a whole fish, portioning a fillet and slicing sashimi are different jobs and do not need the same blade.
Which knife for which fish task?
| General home fish prep | Gyuto or Santoku |
| Whole-fish breakdown | Deba |
| Sashimi / traditional slicing | Yanagiba |
| Versatile double-bevel slicing | Sujihiki |
| Small detail work | Petty |
Gyuto or Santoku for everyday fish
If you mostly buy fillets and cook fish as part of normal home meals, a sharp Gyuto or Santoku is often enough. You do not need a specialist fish knife for every task.
Deba for whole fish
Deba is the specialist for removing heads, filleting and controlled work around suitable fish bones. It is thick and substantial compared with a general-purpose knife.
Read the Deba Knife Guide.
Yanagiba for sashimi
Yanagiba is the traditional long single-bevel slicer for boneless fish. It is designed for one smooth drawing cut with minimal sawing.
Read the Yanagiba Knife Guide.
Sujihiki for easier mixed slicing
Sujihiki is usually double bevel, making it easier for many home cooks while still offering long clean slices through boneless fish. It also works well for meat.
Read the Sujihiki Knife Guide.
Which should a home cook buy first?
If fish is only one part of your cooking, start with Gyuto or Santoku. Add Deba if you regularly buy whole fish. Add Yanagiba or Sujihiki if precise slicing becomes a frequent task.
For the wider family, see Japanese Special Knives Explained.
Explore Japanese kitchen knives — Compare Japanese knives and sharpening tools related to this guide.