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Indicator 2.4.12
by Contact on 8 October 2026
Requirement
Indicator applicability: fish species with an EICAT Category MR/MV The UoC shall not have any mass escape events. If a mass escape event occurs, the UoC shall, by the next working day: a. submit a formal notification to the CAB for cancellation of certification; and b. notify ASC of the mass escape event, according to ASC data submission procedures.
How Do I Interpret This Requirement?
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[Note]: Indicator 2.4.12 only applies for species/regions that are classified as ‘Category Major/Massive (MR/MV)’ in the EICAT Species Factsheet.
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This indicator requires a zero limit on mass escape. It also requires certification cancellation if the limit is exceeded.
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An event counts as a ‘mass escape’ if the thresholds are exceeded, regardless of cause (e.g. storm damage, net failure, human error). The thresholds are:
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For marine salmonids: more than 5,000 individuals escaping at once. The formula for calculation can be found in Appendix 6 (6.1).
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For other fish species: More than 6% of the stocked population escaping at once. The formula for calculation can be found in Appendix 6 (6.1).
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If a mass escape event occurs, the UoC must notify the CAB the next working day and request cancellation of certification.
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The UoC should have a system, or method, to detect and document mass escape events, including the identification of root cause(s) and determination of corrective action(s) to prevent re-occurrence.
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Evidence of Implementation
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The UoC has a register of known escapes in which exceedance of the set limit is monitored.
Auditors Should Confirm
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Records of mass escape events are maintained.
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Escape limits remain below the set threshold and that calculations are made correctly.