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Shell Selection Behavior of the Hermit Crab, Pagurus longicarpus
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Shell Selection Behavior of the Hermit Crab, Pagurus longicarpus
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1058.pdf
Description
Identifier
Thesis
1758
Author
Giannelli, Julie M., 1971-
Title
Shell
Selection
Behavior
of the
Hermit
Crab
,
Pagurus
longicarpus
Publisher
Central Connecticut State University
Date
2004
Resource Type
Master's Thesis
Notes
Hermit
crabs
are
marine
crustaceans
that
must
inhabit
empty
gastropod
shells
for
shelter
and
protection
from
predation
,
desiccation
and
osmotic
stress
. In
New
England
, the
hermit
crab
(Pagurus
longicarpus)
commonly
occupies
two
different
types
of
gastropod
shells
: the
mud
snail
(Nassarius
obsoletus)
and the
periwinkle
(Littorina
littorea)
.
We
conducted
several
laboratory
experiments
in
which
we
examined
the
preference
of
hermit
crabs
for
intact
and
damaged
shells
of the
mud
snail
(N
.
obsoletus)
and of the
periwinkle
(L
.
littorea)
.
Our
results
suggest
that the
hermit
crab
,
Pagurus
longicarpus
,
does
not
show
a
preference
for
shells
of
either
snail
species
when
offered
shells
of
similarly
adequate
size
but that
P
.
longicarpus
strongly
avoids
damaged
shells
of
either
species
when
given
a
choice
of an
adequately
sized
,
damaged
shell
of
one
species
and an
adequately
sized
,
intact
shell
of the
alternative
snail
species
. In
addition
,
hermit
crabs
chose
shells
of
smaller
than
adequate
size
when
given
a
choice
of
damaged
adequately
sized
shells
and
smaller
,
intact
shells
of the
mud
snail
(N
.
obsoletus)
.
Subject
Hermit crabs -- Behavior
Department
Department of Biological Sciences
Advisor
Jarrett, Jeremiah N.
Type
Text
Digital Format
application/pdf
Language
eng
OCLC number
713735024
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