Isolation increases time to emerge from shells in two Coenobita hermit crab species

Verfasser / Beitragende:
[Julia Bartmess-LeVasseur, Todd Freeberg]
Ort, Verlag, Jahr:
2015
Enthalten in:
acta ethologica, 18/2(2015-06-01), 221-225
Format:
Artikel (online)
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024 7 0 |a 10.1007/s10211-014-0192-6  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10211-014-0192-6 
245 0 0 |a Isolation increases time to emerge from shells in two Coenobita hermit crab species  |h [Elektronische Daten]  |c [Julia Bartmess-LeVasseur, Todd Freeberg] 
520 3 |a Isolation increases activity in individuals of some species, whereas it decreases activity in individuals of other species. Furthermore, as the length of isolation increases, behavioral changes can become more pronounced. Here, we examined effects of short-term isolation on latencies for individuals to emerge from their shells in two species of terrestrial hermit crab (Coenobita rugosus and Coenobita brevimanus) over a 4-week period. Within each species, crabs were housed individually (isolate context) or socially in groups of four (social context). In each week, crabs were exposed to an emergence test, which measured the latency to emerge from the shell following a potentially threatening stimulus. We obtained a significant context × week interaction. Although socially housed crabs showed no change in emergence over the 4weeks of the study, isolate crabs took longer to emerge from their shells as the period of isolation increased. Our study corroborates findings in other invertebrate species, as well as in vertebrate species, that isolation generally decreases activity levels and may increase fear levels, in individuals. 
540 |a Springer-Verlag Berlin Heidelberg and ISPA, 2014 
690 7 |a Hermit crabs  |2 nationallicence 
690 7 |a Coenobita rugosus  |2 nationallicence 
690 7 |a Coenobita brevimanus  |2 nationallicence 
690 7 |a Isolation  |2 nationallicence 
690 7 |a Social  |2 nationallicence 
700 1 |a Bartmess-LeVasseur  |D Julia  |u Department of Psychology, Austin Peay Building, University of Tennessee, Austin Peay Building, Knoxville, USA  |4 aut 
700 1 |a Freeberg  |D Todd  |u Department of Psychology, Austin Peay Building, University of Tennessee, Austin Peay Building, Knoxville, USA  |4 aut 
773 0 |t acta ethologica  |d Springer Berlin Heidelberg  |g 18/2(2015-06-01), 221-225  |x 0873-9749  |q 18:2<221  |1 2015  |2 18  |o 10211 
856 4 0 |u https://doi.org/10.1007/s10211-014-0192-6  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Bartmess-LeVasseur  |D Julia  |u Department of Psychology, Austin Peay Building, University of Tennessee, Austin Peay Building, Knoxville, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Freeberg  |D Todd  |u Department of Psychology, Austin Peay Building, University of Tennessee, Austin Peay Building, Knoxville, USA  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t acta ethologica  |d Springer Berlin Heidelberg  |g 18/2(2015-06-01), 221-225  |x 0873-9749  |q 18:2<221  |1 2015  |2 18  |o 10211