Ecology and Evolution,
Journal Year:
2023,
Volume and Issue:
13(3)
Published: March 1, 2023
Abstract
In
biologically
diverse
ecosystems,
an
essential
process
to
support
competing
species
coexist
is
ecological
differentiation.
Habitat
heterogeneity
is,
hence,
important
in
establishing
abundance
and
richness,
favoring
the
coexistence
of
due
habitat
partition.
this
context,
shading
thermal
tolerance
can
be
good
factors
elucidate
role
partition
among
closely
related
species.
Herein,
we
study
effects
microhabitat
selection,
behavior,
physiological
limitation
on
two
fiddler
crabs
(
Leptuca
leptodactyla
uruguayensis
).
Indeed,
conditions
influenced
proportion
over
time,
with
L.
more
associated
nonshaded/warmer
areas
while
shaded/cooler
ones.
They
also
adjusted
their
behavior
differently
from
each
other
deal
stress.
Finally,
have
demonstrated
that
these
are
species'
limitations.
We
conclude
such
as
intertidal
regions
estuaries
(e.g.,
mudflats
mangroves),
between
by
reducing
competition
Journal of Sea Research,
Journal Year:
2023,
Volume and Issue:
193, P. 102386 - 102386
Published: May 9, 2023
Crabs
categorized
as
cold-blooded
organisms
are
especially
at
risk
climate
change
worsens.
Their
current
situation
was
not
well
documented,
in
terms
of
scientometric
analysis.
The
present
study
aims
to
investigate
the
relationship
between
research
on
crabs
and
change-related
studies,
with
a
focus
identifying
trends
hotspots
over
time.
analysis
based
collection
2834
relevant
documents
107,502
cited
references
indexed
Web
Science
Core
Collection
(WOSCC)
database
from
1977
2022.
findings
indicated
an
increase
recent
decades,
USA
largest
contributor,
followed
by
China
Brazil.
Researchers
Germany
were
among
top
published
authors
field.
most
highly
studies
WOSCC
focused
harmful
algal
blooms
crab
research.
Of
these
20
clusters
generated,
influential
cluster
identified
related
"ocean
acidification,"
"blue
king
crab,"
"mud
fishery."
frequently
keywords
field
"climate
change"
"hypoxia,"
respectively.
Our
conclusion
is
that
fields
"research
crabs"
thriving
further
exploration
adaptation
strategies
necessary.
This
knowledge
will
benefit
scientific
communities,
philanthropic
funders
or
governments,
fisheries-related
industries,
NGOs
towards
sustainable
management
commercial
species
future.
Revista Ciencias Marinas y Costeras,
Journal Year:
2023,
Volume and Issue:
unknown, P. 27 - 44
Published: May 3, 2023
The
mouthless
crab
Cardisoma
crassum
is
an
important
socioeconomic
fishery
resource;
thus,
understanding
its
distribution
pattern
key
for
management.
present
study
aimed
to
determine
if
crabs
show
segregation
by
size
in
contrasting
habitat
types.
Three
plots
were
sampled
from
February
June
2022
collect
data
on
biometric
variables
Ponuga,
Veraguas,
Panama
Pacific.
A
total
of
151
with
average
cephalothorax
width
56.24
±
8.56
mm
captured;
97
male
and
54
female.
This
proportion
difference
was
significantly
skewed
towards
males
at
1.8:1.
Subjects
plot
1
larger
heavier
than
those
2
3.
Ovigerous
females
found
only
during
(rainy
season).
minimum
functionally
mature
47.11
mm.
By
this
measure,
higher
proportions
all
more
abundant
1.
Small
segregated
3;
the
origin
associated.
first
report
crassum.
findings
highlight
importance
features
lead
way
further
studies
factors
influencing
pattern.
Pacific Science,
Journal Year:
2024,
Volume and Issue:
77(4)
Published: March 14, 2024
The
Northern
kelp
crab
(Pugettia
producta)
is
a
common
omnivore
that
inhabits
bull
(Nereocystis
luetkeana)
beds
in
the
Salish
Sea
(Washington,
USA).
Rising
ocean
temperatures
associated
with
ongoing
environmental
changes
have
potential
to
alter
organismal
physiology
and
consequently
change
their
feeding
strategies,
especially
organisms
high
flexibility
such
as
omnivores.
In
this
study,
we
performed
trials
P.
producta
at
ambient
elevated
determine
if
characteristic
of
short-term
heat
waves
induce
rate
or
preferred
food
type.
We
offered
crabs
N.
luetkeana
blades,
Lacuna
vincta
snails,
combination
both
options
choice
no-choice
trials.
Our
results
showed
did
not
rates
preference
for
algal
tissue
versus
animal
tissue.
When
two
trials,
consistently
chose
incorporate
into
diet,
demonstrating
they
are
opportunistic
consumers
across
range
temperatures.
behaviors
grazers
omnivores
impactful
shaping
habitat
around
them.
Thus,
studies
essential
improving
our
understanding
how
may
affect
trophic
interactions
among
forest
inhabitants
ecosystems.
Further
work
investigate
effects
on
feeding,
including
diet
shift
ontogeny,
needed
understand
accurately
predict
will
future
within
