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<br />Box 6. Criteria for holding, rearing, or stocking captive-reared <br />endangered fish. <br />Analysis of wild copulation or stock Action reouired <br />Population or stock may be declining <br />rapidly, at very low numbers, or <br />at catastrophic risk <br />Population or stock is increasing and <br />recruitment is sufficient to maintain <br />a self-sustaining population or stock <br />Place in refugia <br />Monitor status & trends <br />of population or stock; <br />Holding or captive rear- <br />ing of fish is <br />unnecessary <br />Population or stock is stable and Monitor status & trends <br />recruitment is sufficient to maintain of population or stock; <br />a self-sustaining population or stock Holding or captive rear- <br />ing of fish is <br />unnecessary <br />Population or stock is stable but Identify and remove or <br />recruitment is low reduce factor(s) limit- <br />ing recruitment; Monitor <br />status & trends of popu- <br />lation or stock; <br />Consider development of <br />a broodstock in an <br />artificial genetic refuge <br />and an augmentation stock- <br />ing plan <br />Population or stock is declining and Identify and remove or <br />recruitment is not considered to be reduce factor(s) limit- <br />sufficient to develop a self-sustaining ing recruitment; Monitor <br />population or stock status & trends of popu- <br />lation or stock; <br />Develop a broodstock in an <br />artificial genetic refuge <br />and an augmentation stock- <br />ing plan; Implement the <br />plan if necessary <br />Population or stock has been extirpated If habitat is suitable <br />from part of its historic habitat for species and genetic <br />risks to the same or <br />other endemic fishes is <br />low, develop and imple- <br />ment a restoration <br />stocking plan <br />20 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />