Feeding Behavior of a Crab According to Cheliped Number

被引：22

作者：

de Oliveira, Diogo Nunes ^{[1
]}

Christofoletti, Ronaldo Adriano ^{[2
]}

Barreto, Rodrigo Egydio ^{[3
]}

机构：

[1] Univ Estadual Paulista, Inst Biociencias IBB UNESP, BR-18618970 Sao Paulo, Brazil

[2] Univ Fed Sao Paulo, Inst Mar, Santos, SP, Brazil

[3] Univ Estadual Paulista, Inst Biociencias, Dept Fisiol, BR-18618970 Sao Paulo, Brazil

来源：

PLOS ONE | 2015年 / 10卷 / 12期

基金：

巴西圣保罗研究基金会;

关键词：

CALLINECTES-SAPIDUS RATHBUN; BLUE-CRAB; CARCINUS-MAENAS; PORCELAIN CRABS; CAUDAL AUTOTOMY; CANCER-PAGURUS; FIDDLER-CRAB; REGENERATION; COSTS; MECHANISM;

D O I：

10.1371/journal.pone.0145121

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Cheliped loss through autotomy is a common reflexive response in decapod crustaceans. Cheliped loss has direct and indirect effects on feeding behavior which can affect population dynamics and the role of species in the community. In this study, we assessed the impact of autotomy (0, 1, or 2 cheliped loss) on feeding behavior in the crab Pachygrapsus transversus, an omnivorous and abundant species that inhabits subtropical intertidal rocky shores along the South Atlantic Ocean. Autotomy altered crab feeding patterns and foraging behavior; however, the time spent foraging on animal prey or algae was not affected. These results indicate a plasticity of feeding behavior in P. transversus, allowing them to maintain feeding when injured.

引用

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