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席杰, 郑宗林, 牟振波, 刘飞, 刘欣苑, 申剑, 刘海平, 周燕. 黑斑原仔稚鱼藏匿行为研究[J]. 水生生物学报, 2021, 45(5): 1129-1137. DOI: 10.7541/2021.2020.068
引用本文: 席杰, 郑宗林, 牟振波, 刘飞, 刘欣苑, 申剑, 刘海平, 周燕. 黑斑原仔稚鱼藏匿行为研究[J]. 水生生物学报, 2021, 45(5): 1129-1137. DOI: 10.7541/2021.2020.068
XI Jie, ZHENG Zong-Lin, MU Zhen-Bo, Liu Fei, LIU Xin-Yuan, SHEN Jian, LIU Hai-Ping, ZHOU Yan. STUDY ON THE HIDING BEHAVIOR OF THE GLYPTOSTERNUM MACULATUM LARVAE AND JUVENILES[J]. ACTA HYDROBIOLOGICA SINICA, 2021, 45(5): 1129-1137. DOI: 10.7541/2021.2020.068
Citation: XI Jie, ZHENG Zong-Lin, MU Zhen-Bo, Liu Fei, LIU Xin-Yuan, SHEN Jian, LIU Hai-Ping, ZHOU Yan. STUDY ON THE HIDING BEHAVIOR OF THE GLYPTOSTERNUM MACULATUM LARVAE AND JUVENILES[J]. ACTA HYDROBIOLOGICA SINICA, 2021, 45(5): 1129-1137. DOI: 10.7541/2021.2020.068

黑斑原仔稚鱼藏匿行为研究

STUDY ON THE HIDING BEHAVIOR OF THE GLYPTOSTERNUM MACULATUM LARVAE AND JUVENILES

  • 摘要: 文章研究了黑斑原 (Glyptosternum maculatum)仔稚鱼对缝隙的喜好行为、对底质颜色及种类的选择行为, 旨在优化苗种培育模式, 改善其养殖条件。结果表明: 黑斑原仔稚鱼对缝隙的喜好日间(7:00—20:00)显著高于夜间(21:00—6:00; P<0.05); 开口22d、23d和25—30d对缝隙无喜好行为(P>0.05), 且夜间(开口6d、11—13d除外)对缝隙无喜好行为(P>0.05); 开口12d、13d、15d和24d仔稚鱼表现出对较小缝隙(0.9 cm)的喜好性(P<0.05); 开口2d和3d仔稚鱼表现出对底层缝隙的喜好性(P<0.05); 开口5d、6d、8—21d和24d仔稚鱼表现出对表层缝隙的喜好性(P<0.05); 在(400±50) lx光补偿条件下仔稚鱼对底质颜色无明显的喜好性; 在(10±2) lx光补偿条件下仔稚鱼对黑色底质的喜好性显著于白色底质(P<0.05)。仔稚鱼日间具有较强的藏匿行为, 喜好藏匿于较小的缝隙中, 并在弱光补偿条件下喜好黑色底质。仔稚鱼的藏匿特点, 为优化苗种培育和改善苗种培育环境提供了重要的科学依据。

     

    Abstract: In order to optimize the breeding model and improve the breeding conditions, the early behavior characteristics of Glyptosternum maculatum larvae and juveniles, such as gap, bottom color and bottom species selection, were studied. The results showed that the preference of the Glyptosternum maculatum larvae and juveniles for gaps was significantly higher during the day (7:00—20:00) than that in night (21:00—6:00) (P<0.05). There were no preference for gaps (P>0.05) in feeding days on the 22th, 23th and 25th—30th, and no preference for gaps (P>0.05) at night (except feeding days on the 6th, 11th—13th). On the 12th, 13th, 15th and 24th day of feeding, the larvae and juveniles showed preference for smaller gaps (0.9 cm) (P<0.05); On the 2nd and 3rd days of feeding, the larvae and juveniles showed preference for bottom gaps (P<0.05); On the 5th, 6th, 8th, 21st and 24th days of feeding, the larvae and juveniles showed a preference for surface gaps (P<0.05); Under the light compensation of (400±50) lx, the preference of larvae and juveniles for the different background colors was not obvious; under the light compensation of (10±2) lx (P<0.05), the larvae and juveniles have a strong hiding behavior during the day to the small gap and they like black substrate under the condition of low light compensation. The hiding characteristics of juveniles and juveniles provide an important scientific basis for optimizing seedling cultivation and improving the environment of seedling cultivation.

     

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