Journal of Aquaculture (한국양식학회지)

The Korean Society of Fisheries and Aquatic Science (한국양식학회)
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Growth and Survival of Saddleback clownfish, Amphiprion polymnus with Culture Conditions

사육조건에 따른 Saddleback clownfish, Amphiprion polymnus 자치어의 성장과 생존

  • Published : 2007.08.31
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Abstract

We investigated the effect of salinity decrease, food supply and color of the rearing tank on the growth and survival of Amphiprion polymnus larvae. White tanks had the highest survival rate, followed by transparency, black and blue tanks(P<0.05). The transparency tank had the best growth, followed by black tank, white and blue tanks(P<0.05). Daily food intakes of larvae with $5.1{\sim}10.0mm$ in total length were $36.8{\sim}429.3$ Artemia nauplii. When salinity was lowered 5 psu per week from 32 psu, all the larvae died under salinity condition 17 psu. In lowered 2 psu per 3 days, its all died at 16 psu.

Saddleback clownfish, Amphiprion polymnus의 자치어의 생존율 향상을 목적으로 Artemia nauplii 섭식량, 사육수조의 색깔과 염분을 달리한 조건에서 자치어의 성장과 생존율을 비교 조사하였다. 사육수조에 따른 성장과 생존율 조사에서 성장은 검정색 수조와 투명수조에서 사육한 자어가 흰색과 파란색수조에서 보다 성장이 빨랐다. 생존율은 흰색과 투명수조에서 파란색과 검정색 수조에서 보다 높았다. 부화 후 5일째부터 17일째 자어(Total length $5.1{\sim}10.0mm$)에 Artemia nauplii를 50개체/$0.5L{\sim}700$개체/0.5L 범위로 공급한 결과 일일섭식량은 36.8개체(부화 후 5일째)${\sim}$429.3개체(부화 후 17일째)였다. 그리고 염분 내성조사에서 32 psu부터 7일 간격으로 5 psu씩 하강시킨 경우 실험 16일째 22 psu에서 급격히 폐사개체가 늘어나 실험 22일째 전 개체가 폐사하였고 3일 간격으로 2 psu씩 하강시킨 경우 실험 27일째 16 psu에서 전 개체가 폐사하였다.

Keywords

References

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