Effects of background color and aeration on survival, growth performance, skin color change rate, and standard metabolic rate of low quality juvenile pot-bellied seahorses (Hippocampus abdominalis)

IF 3.7 2区农林科学 Q1 FISHERIES

Aquaculture Reports Pub Date : 2025-08-26 DOI:10.1016/j.aqrep.2025.103069

Fengyuan Shen , Dong Zhang , Xin Liu , Xinwei Song

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Abstract

Physical environmental conditions commonly affect the survival and growth performance of cultured seahorses. In addition, due to the differences of broodstock seahorses in quality or physical status (e.g. difference in male’s brood pouch, genes or physical conditions), the quality of juveniles may vary greatly. Under these circumstances, the effects of environmental stressors on juvenile seahorses may become markedly pronounced. Investigating suitable physical environments to improve the survival of low quality juveniles is one of the important issues which need to be considered in seahorse culture. In the present study, we investigated the effects of tank color and aeration intensity on the growth, survival, standard metabolic rate and skin color change rate of the low quality juveniles of the pot-bellied seahorse, Hippocampus abdominalis. The results showed that the juveniles reared in black tank with gentle aeration intensity had the highest survival rate, better growth performance, higher skin color change rate, and lower standard metabolic rate (SMR). Therefore, black background color and gentle aeration are recommended for rearing the low quality H. abdominalis juveniles.

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背景色和通气性对劣质斑腹海马幼马存活、生长性能、肤色变化率和标准代谢率的影响

自然环境条件通常会影响养殖海马的生存和生长性能。此外，由于海马在品质或身体状况上的差异（如雄性育儿袋、基因或身体状况的差异），幼海马的质量可能会有很大差异。在这种情况下，环境压力对海马幼崽的影响可能会变得非常明显。寻找适宜的自然环境，提高低质量海马幼鱼的存活率，是海马养殖中需要考虑的重要问题之一。本试验研究了池色和曝气强度对低品质大腹海马幼鱼生长、存活、标准代谢率和肤色变化率的影响。结果表明，在温和曝气强度的黑色池中饲养的幼鱼存活率最高，生长性能较好，肤色变化率较高，标准代谢率（SMR）较低。因此，推荐饲养低品质的腹腹鱼幼鱼时采用黑色底色和温和曝气。

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来源期刊

Aquaculture Reports Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

5.90

自引率

8.10%

发文量

469

审稿时长

77 days

期刊介绍： Aquaculture Reports will publish original research papers and reviews documenting outstanding science with a regional context and focus, answering the need for high quality information on novel species, systems and regions in emerging areas of aquaculture research and development, such as integrated multi-trophic aquaculture, urban aquaculture, ornamental, unfed aquaculture, offshore aquaculture and others. Papers having industry research as priority and encompassing product development research or current industry practice are encouraged.