03312300 - Aquatic invertebrates

CPV code 03312300 in the EU Common Procurement Vocabulary refers to Aquatic invertebrates. It sits at level 5 of the CPV hierarchy as a subcategory within the 03 division. This code is nested directly under 03312000, narrowing the broader category into the specific area of aquatic invertebrates. As a leaf code, 03312300 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns aquatic invertebrates. Contracting authorities across the EU use 03312300 in TED notices and national procurement portals to signal that a tender relates to aquatic invertebrates.