Description
Specifications for Export-Quality Prawns
Exporters and importers usually define prawns based on the following parameters:Specification Parameter | Description / Standard |
Species | Common export species: Penaeus monodon (Black Tiger), Litopenaeus vannamei (Whiteleg shrimp), Macrobrachium rosenbergii (Freshwater prawn) |
Processing Form | Head-On Shell-On (HOSO), Headless Shell-On (HLSO), Peeled and Deveined (PD), Peeled and Undeveined (PUD), Cooked & Peeled, Butterfly Cut, Easy Peel |
Size / Count | Measured as count per pound (e.g., 8/12, 16/20, 26/30, 41/50, 100/200); smaller numbers mean larger prawns |
Color & Appearance | Fresh, translucent flesh, no black spots, no off-odors; farmed prawns often have lighter shells |
Glazing | Ice coating (usually 5–20%) to prevent dehydration during storage |
Packaging | Usually 1–2 kg retail packs or 5–10 kg master cartons; vacuum or nitrogen-flushed packs for premium quality |
Freezing Method | Blast Freezing or IQF (-18°C or lower) |
Shelf Life | 18–24 months if stored properly |
Standards & Certifications | HACCP, BRC, ISO 22000, EU Approval, US FDA registration, ASC/BAP (Aquaculture Sustainability Certifications) |
Types of Prawns in International Trade
Prawns are classified by species, habitat, and processing type.1. By Species
- Black Tiger Prawn (Penaeus monodon)– Large size, firm texture, dark stripes; high-value export product.
- Whiteleg Shrimp (Litopenaeus vannamei)– Mild flavor, softer texture, widely farmed, cost-effective.
- Freshwater Giant Prawn (Macrobrachium rosenbergii)– Large claws, mild flavor, mostly from freshwater farming.
- Kuruma Prawn (Marsupenaeus japonicus)– Premium quality, popular in Japanese cuisine.
- Banana Prawn (Fenneropenaeus merguiensis)– Sweet flavor, medium size, popular in Southeast Asia.
2. By Processing Form
- HOSO (Head-On Shell-On)– Whole prawn, used for premium markets.
- HLSO (Headless Shell-On)– Head removed, shell retained, common for bulk trade.
- PUD (Peeled Undeveined)– Shell removed, vein intact.
- PD (Peeled & Deveined)– Shell and vein removed, ready to cook.
- C&P (Cooked & Peeled)– Fully cooked and peeled; often IQF for retail.
- Butterfly Cut– Prawn split along back for presentation and quick cooking.
- Easy Peel– Shell loosened for convenience.
3. By Preservation Method
- Fresh Chilled Prawns– Shipped in ice for short-distance exports.
- Frozen Block Prawns– Packed and frozen in solid blocks.
- IQF Prawns– Individually frozen to retain shape and quality.