HSN Code 1605
Crustaceans, molluscs and other aquatic invertebrates
Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved
GST rate
5%
Codes under 1605
| Code | Description | GST rate |
|---|---|---|
| 1605 10 | Crab | 5% |
| 1605 21 | Not in airtight container — crustaceans, molluscs and other aquatic invertebrates, prepared or preserved | 5% |
| 1605 29 | Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved › Other | 5% |
| 1605 30 | Lobster | 5% |
| 1605 40 | Other crustaceans — crustaceans, molluscs and other aquatic invertebrates, prepared or preserved | 5% |
| 1605 51 | Oysters | 5% |
| 1605 52 | Scallops, including queen scallops | 5% |
| 1605 53 | Mussels | 5% |
| 1605 54 | Cuttle fish and squid | 5% |
| 1605 55 | Octopus | 5% |
| 1605 56 | Clams, cockles and arkshells | 5% |
| 1605 57 | Abalone | 5% |
| 1605 58 | Snails, other than sea snails | 5% |
| 1605 59 | Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved › Other | 5% |
| 1605 61 | Sea cucumbers | 5% |
| 1605 62 | Sea urchins | 5% |
| 1605 63 | Jellyfish | 5% |
| 1605 69 | Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved › Other | 5% |
| 1605 90 | Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved › Other | 5% |
Frequently Asked Questions
What is the HSN code for crustaceans, molluscs and other aquatic invertebrates?
The HSN code for crustaceans, molluscs and other aquatic invertebrates is 1605, under Chapter 16 (Prepared or preserved meat, fish and seafood).
What is the GST rate on crustaceans, molluscs and other aquatic invertebrates?
Crustaceans, molluscs and other aquatic invertebrates is taxed at 5% GST under HSN code 1605.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.