Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Май 1, 2024
Improve
the
knowledge
base
on
ecomorphological
adaptation
of
teleost
species
to
different
environments,
trying
reconstruct
how
habitat
can
shape
sagittae
,
is
essential
for
conservational
purposes,
evolutionary
evaluations,
and
population
dynamics
studies.
Here
provided
a
comparative
study
between
features,
growth
rates
age
composition
two
Scorpaena
porcus
populations
inhabiting
Mediterranean
waters,
one
from
Strait
Messina
(Central
Sea)
Split
area
(Adriatic
Sea).
Additionally,
stomach
contents
specimens
have
also
been
analysed
provide
some
preliminary
information
diet
S.
.
A
total
ninety
individuals,
half
each
area,
obtained
extremely
environments.
Results
showed
an
overall
morphology,
shape,
morphometry
among
size
classes
investigated
populations.
Samples
were
characterized
by
most
elliptical
slender
with
more
regular
serration
margins
than
those
Split,
which
exhibited
wider
sagitta
enhanced
anti-rostrum
longer
rostrum
Concerning
diet,
preference
Crustacea
(especially
Brachyura
Amphipoda)
Teleost
species,
showing
differences
literature
data
other
geographical
areas
(Split
included).
confirmed
reliability
detect
inter-population
variability
areas,
tool
stock
assessment,
studies
investigation
habitats.
Journal of Fish Biology,
Год журнала:
2019,
Номер
94(5), С. 692 - 713
Опубликована: Март 13, 2019
Fishes
use
a
variety
of
sensory
systems
to
learn
about
their
environments
and
communicate.
Of
the
various
senses,
hearing
plays
particularly
important
role
for
fishes
in
providing
information,
often
from
great
distances,
all
around
these
animals.
This
information
is
three
spatial
dimensions,
overcoming
limitations
other
senses
such
as
vision,
touch,
taste
smell.
Sound
used
communication
between
fishes,
mating
behaviour,
detection
prey
predators,
orientation
migration
habitat
selection.
Thus,
anything
that
interferes
with
ability
fish
detect
respond
biologically
relevant
sounds
can
decrease
survival
fitness
individuals
populations.
Since
onset
Industrial
Revolution,
there
has
been
growing
increase
noise
humans
put
into
water.
These
anthropogenic
are
wide
range
sources
include
shipping,
sonars,
construction
activities
(e.g.,
wind
farms,
harbours),
trawling,
dredging
exploration
oil
gas.
Anthropogenic
may
be
sufficiently
intense
result
death
or
mortal
injury.
However,
at
lower
levels
temporary
impairment,
physiological
changes
including
stress
effects,
behaviour
masking
sounds.
The
intent
this
paper
review
potential
effects
upon
consequences
populations
ecosystems
need
develop
sound
exposure
criteria
regulations.
assuming
many
readers
not
have
background
bioacoustics,
first
provides
on
underwater
acoustics,
focus
introducing
very
concept
particle
motion,
primary
acoustic
stimulus
elasmobranchs.
then
material
hearing,
production
behaviour.
followed
by
an
overview
what
known
considers
current
guidelines
being
world-wide
assess
fishes.
Most
importantly,
most
complete
summary
date.
It
also
made
clear
currently
so
gaps
it
almost
impossible
reach
conclusions
nature
cause
animal
even
physical
harm.
Further
research
required
responses
species
different
sources,
under
conditions.
There
both
examine
immediate
longer-term
terms
likely
impacts
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Год журнала:
2019,
Номер
95(1), С. 94 - 123
Опубликована: Ноя. 15, 2019
Belemnites
are
an
extinct
group
of
Mesozoic
coleoid
cephalopods
with
a
fossil
record
ranging
from
the
early
Late
Triassic
[about
240
million
years
ago
(Mya)]
to
Cretaceous/Palaeogene
boundary
(65
Mya).
were
widely
distributed,
highly
abundant
and
diverse,
important
component
marine
food
webs.
Their
internal
shells,
specifically
their
low-Mg
calcite
rostra,
have
been
used
as
palaeoenvironmental
carbonate
archives
for
last
70
years.
This
is
primarily
due
assumption
that
rostrum
formed
in
equilibrium
oxygen
isotope
composition
ambient
sea
water.
Of
prime
importance
reliable
interpretation
data
derived
these
biogenic
carbonates
robust
reconstruction
palaeobiology
producers.
Here
we
provide
critical
assessment
published
reconstructions
belemnite
soft-body
organization
lifestyle
habitats.
Different
lines
evidence,
including
sedimentological,
geochemical,
morphological,
biomechanical
data,
point
towards
outer
shelf
habitat
belemnites,
some
taxa
also
littoral
area.
Belemnite
temperatures,
content,
salinities,
life
span
constrained
based
on
observations
ecology
history
modern
coleoids.
depth
might
largely
controlled
by
temperature,
temperature
optimum
between
10°C
30°C.
The
distribution
coleoids
most
species
restricted
well-oxygenated
water
masses
salinity
27
37
psu.
trophic
position
belemnites
both
predators
prey
documented
unique
finds
stomach
contents
soft
tissue
preservation,
such
jaws,
hooks,
ink
sacs.
medium-sized
epipelagic
zone
(not
deeper
than
∼200
m)
hunting
crustaceans,
other
cephalopods,
fishes.
Taxa
elongated
rostra
probably
fast
manoeuvrable
swimmers.
Forms
conical
represent
slow
but
swimmers,
forms
depressed
likely
had
bottom-related
habit.
Predators
adult
sharks,
bony
fishes,
reptiles.
Belemnites,
like
coleoids,
relatively
short
lived,
living
only
1-2
Understanding
biomineralization
relevant
improved
geochemistry.
confirm
composed
low
Mg-calcite
fibres,
they
do
not
contain
distinct
types
laminae.
These
fibres
two
phases.
One
phase
filigree
network
tetrahedral
organic-rich
second
represented
organic-poor
calcite.
The Journal of the Acoustical Society of America,
Год журнала:
2021,
Номер
149(4), С. 2782 - 2790
Опубликована: Апрель 1, 2021
This
paper
reviews
the
nature
of
substrate
vibration
within
aquatic
environments
where
seismic
interface
waves
may
travel
along
surface
substrate,
generating
high
levels
particle
motion.
There
are,
however,
few
data
on
ambient
motion
close
to
seabed
and
substrates
lakes
rivers.
Nor
is
there
information
characteristics
generated
by
anthropogenic
sources
in
which
have
major
effects
upon
fishes
invertebrates,
all
primarily
detect
We
therefore
consider
how
monitor
describe
gained
from
modeling
it.
Unlike
most
acoustic
modeling,
we
treat
as
a
solid.
Furthermore,
use
model
stiffness
increases
with
depth
but
makes
wave
that
propagates
little
or
no
dispersion.
shows
presence
higher
than
those
predicted
pressures,
possible
invertebrates.
suggest
research
needed
examine
actual
its
animals.
Scientific Reports,
Год журнала:
2021,
Номер
11(1)
Опубликована: Авг. 11, 2021
Otolith
features
are
useful
tools
for
studying
taxonomy,
ecology,
paleontology,
and
fish
biology
since
they
represent
a
permanent
record
of
life
history.
Nevertheless,
the
functional
morphology
otoliths
remains
an
open
research
question
that
is
to
completely
understand
their
eco-morphology.
This
study
aims
deepen
knowledge
intra-
interspecific
variation
in
sagitta
three
congeneric
seabreams,
how
such
variability
could
be
related
lifestyles
each
species.
Therefore,
sagittae
(n
=
161)
24
Pagellus
bogaraveo,
acarne,
37
erythrinus
specimens,
collected
from
south
Tyrrhenian
Sea,
were
analyzed
using
scanning
electron
microscopy
stereomicroscope
assess
morphometric
features,
between
otolith
pairs
external
crystalline
structure
sulcus
acusticus.
Statistical
analysis
demonstrated
that,
species,
sagittal
rostral
length
growth
acusticus
correlated
with
increased
total
body
weight.
Moreover,
slight
differences
detected
P.
acarne
(P
<
0.05).
The
results
confirm
changes
morphometry
different
species
populations
same
habitats.
Sustainability,
Год журнала:
2021,
Номер
14(1), С. 398 - 398
Опубликована: Дек. 31, 2021
Otoliths
are
used
in
taxonomy
and
ichthyology
as
they
can
provide
a
wide
range
of
information
about
specimens.
They
an
essential
tool
to
monitor
the
most
sensitive
species
for
sustainable
exploitation
level.
Despite
increasing
use
sagittae
research,
their
inter-
intra-specific
variability
eco-functionality
still
poorly
explored.
This
paper
aims
investigate
Mugilidae
using
morphological
morphometrical
analysis,
well
scanning
electron
microscopy
shape
analysis.
The
74
specimens
belonging
three
different
species,
collected
from
coastal
lagoon,
were
analyzed
give
accurate
description
morphology,
morphometry,
crystalline
habits.
results
highlighted
intra-
inter-specific
sagittae,
showing
differences
among
slight
between
left
right
C.
labrosus
individuals.
Moreover,
SEM
images
showed
peculiar
crystal
organization,
with
several
habits
polymorphs.
study
provides
studied
deepening
knowledge
on
variations
providing
data
which
will
be
useful
future
studies
otoliths.
With
this
data,
it
possible
improve
conservation
sustainability
habitats.
Journal of the Marine Biological Association of the United Kingdom,
Год журнала:
2024,
Номер
104
Опубликована: Янв. 1, 2024
Abstract
Variations
in
sagittal
otolith
shape
and
morphometry,
including
length
(
Lo
),
width
Wo
area
(Ao),
perimeter
(Po),
were
investigated
two
populations
of
Chelon
ramada
collected
from
the
Boughrara
El
Bibane
lagoons
located
southeastern
Tunisia.
The
objective
was
to
assess
geographic
variation
otoliths'
morphometry
effect
potential
fluctuating
asymmetry
(FA)
on
stock
structure
C.
inform
appropriate
management
procedures.
At
interpopulation
level,
analysis
showed
a
statistically
significant
difference
P
=
0.0001),
i.e.
there
bilateral
asymmetry,
left
right
otoliths
between
individuals
populations.
In
addition,
FA
found
only
otoliths.
intrapopulation
<
particularly
observed
both
males
females,
indicating
sexual
dimorphism
within
lagoon.
However,
similarity,
symmetry,
among
Moreover,
detected
males,
as
well
females
all
morphometric
dimensions
Discriminant
function
contour
confirmed
presence
separate
C
.
stocks,
one
corresponding
lagoon
other
representing
lagoon,
which
should
be
managed
separately.
possible
cause
morphological
due
discussed
relation
biotic
abiotic
factors.
Nature,
Год журнала:
2024,
Номер
631(8019), С. 118 - 124
Опубликована: Июнь 19, 2024
Abstract
Locating
sound
sources
such
as
prey
or
predators
is
critical
for
survival
in
many
vertebrates.
Terrestrial
vertebrates
locate
by
measuring
the
time
delay
and
intensity
difference
of
pressure
at
each
ear
1–5
.
Underwater,
however,
physics
makes
interaural
cues
very
small,
suggesting
that
directional
hearing
fish
should
be
nearly
impossible
6
Yet,
has
been
confirmed
behaviourally,
although
mechanisms
have
remained
unknown
decades.
Several
hypotheses
proposed
to
explain
this
remarkable
ability,
including
possibility
evolved
an
extreme
sensitivity
minute
differences
might
compare
with
particle
motion
signals
7,8
However,
experimental
challenges
long
hindered
a
definitive
explanation.
Here
we
empirically
test
these
models
transparent
teleost
Danionella
cerebrum
,
one
smallest
9,10
By
selectively
controlling
motion,
dissect
sensory
algorithm
underlying
acoustic
startles.
We
find
both
are
indispensable
behaviour
their
relative
phase
controls
its
direction.
Using
micro-computed
tomography
optical
vibrometry,
further
show
D.
structures
implement
mechanism.
shares
more
than
15%
living
vertebrate
species,
widespread
mechanism
inferring
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 20, 2025
Sound
detection
in
fishes
relies
on
the
inner
ear
and
peripheral
structures,
such
as
calcareous
otoliths,
which
play
a
crucial
role
perceiving
movement,
orientation,
balance.
Otoliths,
particular,
respond
to
various
environmental
factors
including
temperature,
salinity,
food
availability,
making
them
valuable
indicators
of
ecological
conditions.
This
study
applies
geometric
morphometrics
(GMM)
analyze
otolith
shape
Diplodus
annularis
(Linnaeus,
1758)
from
two
distinct
populations
located
Gulf
Asinara
(Porto
Torres,
Sardinia)
northern
Adriatic
Sea
(Le
Tegnue).
By
using
GMM
techniques,
precise
quantifiable
differences
morphology
were
revealed
between
populations,
demonstrating
significant
variation.
In
addition,
fluctuating
asymmetry
(FA),
serves
marker
for
developmental
stability
stress,
was
assessed.
The
results
show
marked
disparities
FA
populations:
samples
Porto
Torres
exhibited
posterior
asymmetry,
while
Le
Tegnue
showed
anterior
region
otoliths.
These
findings
underscore
sensitivity
detecting
even
subtle
morphological
differences,
it
powerful
tool
studying
genetic
influences
marine
species.