其他水生无脊椎动物产品包括甲壳动物，软体动物，第三章死动物。
Other products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of Chapter 3.
濒危水生无脊椎动物产品包括甲壳动物，软体动物，第三章死动物。
Products of fish or crustaceans in imminent Dan - gers, molluscs or other aquatic invertebrates; dead animals of Chapter 3.
河流健康的度量对象包括：堤岸、河床、河水感观、水质指标、水生无脊椎动物指标和鱼类指标等。
Measurement objects of river healthy includes Banks, river bed, sensory consciousness for river water, water quality experimental indexes, aquatic invertebrate index and fishery index.
北美淡水蟹是在1970年代引入英国，已经在此安家。由于其掠夺性对本地的水生植物、水生无脊椎动物和鱼类造成了危险。
The North American signal crayfish (Pacifastacus leniusculus) is one of several species introduced into the UK for aquaculture in the 1970s, and which have since made themselves right at home.
鳗类，鳗：无颚的各种原始水生圆口纲脊椎动物中的一种，包括七鳃鳗和盲鳗。
Any of various primitive aquatic vertebrates of the class Cyclostomata, lacking jaws and including the lampreys and hagfishes.
水质。生物取样法。水生海底大型无脊椎动物的手网取样指南。
Water quality. methods of biological sampling. guidance on handnet sampling of aquatic benthic macro - invertebrates.
水质。生物取样法。水生海底大型无脊椎动物的手网取样指南。
Water quality. methods of biological sampling. guidance on handnet sampling of aquatic benthic macro - invertebrates.
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