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This group includes, but is not restricted to, species which are introduced or transferred in large quantities without permanent occupation of the ecosystem (maintained in tanks or in outside systems with access to open waters). Standard procedures with respect to these species should include:

4.1 Inspection and Certification

If continued movements from one country to another or one area to another are necessary to maintain the commercial enterprise, each shipment should include certification attesting to their pathogen-and pest-free status and should be inspected upon arrival for overt signs of pathogens by a qualified inspector.

4.2 Transport

The transport of the aquatic species should be done in such a manner as to avoid loss of water enroute to site of use. If water loss is inevitable enroute, consideration of use of sterile water or water sterilization should be considered.

4.3 Handling

All packing material and water must be appropriately sterilized upon arrival at stocking or holding site.

4.4 Pathology

Periodic pathogenic sampling should be carried out at holding sites to ensure no disease or parasite has escaped detection when certification was carried out.

4.5 Control

Holding sites must be secure against escape and species stocked out in wild as an ongoing practice must be closely monitored to ensure they do not expand their range beyond what was originally intended.

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