# HS code 0511.91: Products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3

> HS code 0511.91 covers products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3, other than those classified in 0511.99. It sits in heading 05.11 (animal products not elsewhere specified or included; dead animals of Chapter 1 or 3, unfit for human consumption) in chapter 05 (products of animal origin, not elsewhere specified or included). Other goods of heading 05.11 are classified under 0511.10 (bovine semen) and 0511.99 (other, other). National tariff lines under 0511.91 are live on border.bot for the United States (2 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/051191
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 05](https://border.bot/hs-codes/05) / [05.11](https://border.bot/hs-codes/0511) / [0511.91](https://border.bot/hs-codes/051191)

## Key facts

- HS code: 0511.91
- Covers: Products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3
- Heading: [05.11: Animal products not elsewhere specified or included; dead animals of Chapter 1 or 3, unfit for human consumption](https://border.bot/hs-codes/0511)
- Chapter: [05: Products of animal origin, not elsewhere specified or included](https://border.bot/hs-codes/05)
- Edition: HS2022
- Duty in the United States: [See its 2 lines](https://border.bot/countries/united-states/hs-codes/051191)

## What this code covers

HS code 0511.91 covers products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3, other than those classified in 0511.99.

The legal text of the subheading is “Other: Products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3”, read under “Other”, in HS2022.

## What it doesn’t cover

Other goods of heading 05.11 are classified under 0511.10 (bovine semen) and 0511.99 (other, other).

- [0511.10](https://border.bot/hs-codes/051110) Bovine semen
- [0511.99](https://border.bot/hs-codes/051199) Other: Other

## How it is structured

0511.91 is a six-digit subheading. Its first two digits, 05, are the chapter; the first four, 0511, are heading 05.11; the last two, 91, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 05: Products of animal origin, not elsewhere specified or included
- Heading 05.11: Animal products not elsewhere specified or included; dead animals of Chapter 1 or 3, unfit for human consumption
- Within the heading: Other
- Subheading 0511.91: Products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3

## In other countries

National tariff lines under 0511.91 are live on border.bot for the United States (2 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/051191): 2 lines, used by 1 other country

- Previous subheading: [0511.10](https://border.bot/hs-codes/051110) Bovine semen
- Next subheading: [0511.99](https://border.bot/hs-codes/051199) Other: Other

## Frequently asked questions

### What does HS code 0511.91 cover?

HS code 0511.91 covers products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3, other than those classified in 0511.99.

### Which heading and chapter is HS code 0511.91 in?

HS code 0511.91 is in heading 05.11 (animal products not elsewhere specified or included; dead animals of Chapter 1 or 3, unfit for human consumption) in chapter 05 (products of animal origin, not elsewhere specified or included).

### Where are goods of heading 05.11 classified when 0511.91 doesn’t fit?

Other goods of heading 05.11 are classified under 0511.10 (bovine semen) and 0511.99 (other, other).

### Which countries’ tariffs list national lines under HS code 0511.91?

National tariff lines under 0511.91 are live on border.bot for the United States (2 lines, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Machine-readable: https://border.bot/hs-codes/051191.json