|Table of Contents|

Behavioral Response of Crayfish of Different Status toa Reflective Environment Respectively(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2016年01期
Page:
73-
Research Field:
生命科学
Publishing date:

Info

Title:
Behavioral Response of Crayfish of Different Status toa Reflective Environment Respectively
Author(s):
Guo Yu1; Xu Wen2; Tian Jie1; Huang Cheng1
（1.School of Life sciences，Nanjing University，Nanjing 210093，China）（2.Nantong University Key Laboratory of Nerve Regeneration，Nantong 226000，China）
Keywords:
Procambarus clarkii; mirror reflection; behavior; hierarchy
PACS:
Q958.12；Q958.8
DOI:
-
Abstract:
For the study of crayfish dominant and subordinate’s behavior differences in the mirror reflection environment and the influence of mirror for the winner-effect and loser-effect. This study separate every pair of crayfish（dominate and subordinate according to the pre-experiment）and rest for 1 d，then insert mirror in their own tank，observe their behavioral responses for 30 min. The results show that the dominant and subordinate all choose to avoid reflection environment（P<0.05），suggesting that the crayfish have the ability to recognize the mirror-image and make significant behavioral responses，and both prefer non-reflective environment；but subordinate behave more action than the dominant in the reflective corner（P<0.05），indicating that subordinate maybe more sensitive than dominate when facing a “intruder” alone in their own field. Based on the results，this study also compares the change of the dominance index（DI）of the dominant and subordinate crayfish which have respectively lived on the mirror environment for 7 d，discuss whether the mirror environment regulate winner and loser effect. The result shows that the mirror has an effect to lower the winner effect of the dominant and the failure effect of the subordinate，meaning that narrow the gap of social status.

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Last Update: 2016-03-30