| A | B |
| Fish that have fins and backbones. | Finfish |
| Fish that have shells instead of backbones. | Shellfish |
| Fish that have very little fat in their flesh. | Lean Fish |
| Fish having flesh that is fattier than that of lean fish. | Fat Fish |
| Shellfish that has a soft body fully or partially covered by a hard shell. | Mollusk |
| Shellfish with a segmented body that is covered by a crustlike shell. | Crustacean |
| Fish that has the entrails (insides) removed. | Drawn Fish |
| Fish that has the entrails (insides) head, fins, and sales removed. | Dressed Fish |
| Cross-sectional slice taken from a dressed fish. | Fish Steak |
| The side of a fish cut lengthwise away from the backbone. | Fish Fillet |