Noise
pollution
is
pervasive
to
nearly
all
aquatic
and
terrestrial
ecosystems
was
labeled
a
pollutant
of
global
concern
by
the
World
Health
Organization
in
2011.
In
past
few
decades,
underwater
ambient
noise
levels
have
risen
almost
30
dB
SPL
re:
1
µPa
frequency
range
that
most
fish
produce
detect
acoustic
stimuli
due
rises
shipping,
oil
exploration,
pile
driving.
Changes
natural
soundscape
can
impact
aspects
an
animal’s
life.
My
dissertation
research
takes
integrative,
whole-animal
approach
examining
how
increased
background
impacts
behavior,
physiology,
development,
communication.
First,
I
found
social
interactions
occurring
noisy
conditions
were
less
effective.
Males
spent
more
time
distracted
or
stressed
during
territorial
fights,
resulting
longer
fight
resolution.
also
changed
when
they
courted
gravid
females.
Female
hearing
capabilities
significantly
reduced
following
exposure.
male
signal
production,
female
detection
capabilities,
possibly
itself
interfere
with
effective
Cumulatively,
this
resulted
lower
incidence
spawning
noise.
exposure
hindered
mouthbrooding
maternal
care
behaviors.
Females
exposed
brooding
likely
cannibalize
prematurely
release
under-developed
juveniles.
Juveniles
development
had
growth
rates,
higher
mortality,
altered
startle
Finally,
possess
components
proposed
inner
ear
CRF-signaling
system
its
expression
mediated
sex,
reproductive
state,
Because
noise-induced
changes
are
dependent
on
physiological
it
possible
threshold
shifts
could
be
modulated
condition.
Overall,
these
results
provide
one
comprehensive
pictures
fish.
By
subtle,
sub-lethal
communication,
we
better
inform
conservation
efforts
before
human-influenced
reach
potentially
lethal
levels.
Journal of Fish Biology,
Journal Year:
2019,
Volume and Issue:
94(5), P. 692 - 713
Published: March 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,
Journal Year:
2018,
Volume and Issue:
94(2), P. 457 - 482
Published: Sept. 21, 2018
ABSTRACT
Otoliths
in
bony
fishes
play
an
important
role
the
senses
of
balance
and
hearing.
Otolith
mass
shape
are,
among
others,
likely
to
be
decisive
factors
influencing
otolith
motion
thus
ear
functioning.
Yet
our
knowledge
how
exactly
these
influence
is
incomplete.
In
addition,
experimental
studies
directly
investigating
function
otoliths
inner
are
scarce
yield
partly
conflicting
results.
Herein,
we
discuss
questions
hypotheses
on
shape,
relationship
between
sensory
epithelium
overlying
otolith,
motion.
We
(
i
)
state‐of‐the‐art
regarding
function,
ii
gaps
that
remain
filled,
iii
future
approaches
may
improve
understanding
further
link
functional
evolution
solid
teleost
instead
numerous
tiny
otoconia
as
found
most
other
vertebrates.
Until
now,
selective
forces
and/or
constraints
driving
calcareous
their
diversity
teleosts
largely
unknown.
Based
a
data
set
structure
more
than
160
species
covering
main
vertebrate
groups,
present
hypothetical
framework
for
evolution.
suggest
advent
have
initially
been
selectively
neutral
‘by‐product’
key
innovations
during
The
teleost‐specific
genome
duplication
event
paved
way
diversification
shape.
shapes
evolved
along
with
considerable
of,
improvements
in,
auditory
abilities
fishes.
However,
phenotypic
plasticity
also
creation
different
types,
portions
show
degrees
plasticity.
Future
should
adopt
phylogenetic
perspective
apply
comparative
methodologically
integrative
approaches,
including
fossil
otoliths,
when
otoconia/otolith
ear.
Frontiers in Ecology and Evolution,
Journal Year:
2016,
Volume and Issue:
4
Published: March 31, 2016
An
astonishing
diversity
of
inner
ears
and
accessory
hearing
structures
(AHS)
that
can
enhance
has
evolved
in
fishes.
Inner
mainly
differ
the
size
otolith
end
organs,
shape
orientation
sensory
epithelia,
patterns
ciliary
bundles
hair
cells.
Despite
our
profound
morphological
knowledge
ear
variation,
two
main
questions
remain
widely
unanswered.
(i)
What
selective
forces
and/or
constraints
led
to
evolution
this
diversity?
(ii)
How
is
variability
linked
abilities?
Improved
based
on
ability
many
fish
species
transmit
oscillations
swim
bladder
walls
or
other
gas-filled
bladders
ears.
Swim
may
be
via
a
chain
ossicles
(in
otophysans),
anterior
extensions
(e.g.
some
cichlids,
squirrelfishes),
gas
touch
directly
(labyrinth
fishes).
Studies
catfishes
cichlids
demonstrate
larger
more
pronounced
linkages
positively
affect
both
auditory
sensitivities
detectable
frequency
range,
but
lack
connection
does
not
exclude
enhancement.
This
abilities
one
riddles
bioacoustics
research.
Hearing
enhancement
might
have
facilitate
intraspecific
acoustic
communication.
A
comparison
sound-producing
species,
however,
indicates
communication
widespread
taxa
lacking
AHS.
Eco-acoustical
are
likely
explanation
for
sensitivities.
Low
ambient
noise
levels
facilitated
AHS,
enabling
detect
low-level
abiotic
sounds
from
con-
heterospecifics,
including
predators
prey.
Aquatic
habitats
regimes,
preliminary
data
indicate
fishes
vary
accordingly.
Seminars in Cell and Developmental Biology,
Journal Year:
2016,
Volume and Issue:
65, P. 47 - 59
Published: Sept. 29, 2016
The
vertebrate
inner
ear
is
a
precision
sensory
organ,
acting
as
both
microphone
to
receive
sound
and
an
accelerometer
detect
gravity
motion.
It
consists
of
series
interlinked,
fluid-filled
chambers
containing
patches
epithelia,
each
with
specialised
function.
contains
many
different
differentiated
cell
types
distinct
morphologies,
from
the
flask-shaped
hair
cells
found
in
thickened
epithelium,
thin
squamous
that
contribute
non-sensory
structures,
such
semicircular
canal
ducts.
Nearly
all
ear,
including
afferent
neurons
innervate
it,
are
derived
otic
placode,
region
cranial
ectoderm
develops
adjacent
embryonic
hindbrain.
As
develops,
epithelia
grow,
fold,
fuse
rearrange
form
complex
three-dimensional
shape
membranous
labyrinth.
Much
our
current
understanding
processes
morphogenesis
comes
genetic
pharmacological
manipulations
developing
mouse,
chicken
zebrafish
embryos.
These
traditional
approaches
now
being
supplemented
exciting
new
techniques—including
force
measurements
light-sheet
microscopy—that
helping
elucidate
mechanisms
generate
this
intricate
organ
system.
Cell Genomics,
Journal Year:
2022,
Volume and Issue:
2(9), P. 100170 - 100170
Published: Aug. 22, 2022
Using
adult
zebrafish
inner
ears
as
a
model
for
sensorineural
regeneration,
we
ablated
the
mechanosensory
receptors
and
characterized
single-cell
epigenome
transcriptome
at
consecutive
time
points
during
hair
cell
regeneration.
We
utilized
deep
learning
on
regeneration-induced
open
chromatin
sequences
identified
cell-specific
transcription
factor
(TF)
motif
patterns.
Enhancer
activity
correlated
with
gene
expression
potential
regulatory
networks.
A
pattern
of
overlapping
Sox-
Six-family
TF
binding
motifs
was
detected,
suggesting
combinatorial
program
TFs
driving
regeneration
identity.
Pseudotime
analysis
transcriptomic
data
suggested
that
support
cells
within
sensory
epithelium
changed
identity
to
"progenitor"
population
could
differentiate
into
cells.
2.6
kb
DNA
enhancer
upstream
sox2
promoter
that,
when
deleted,
showed
dominant
phenotype
resulted
in
hair-cell-regeneration-specific
deficit
both
lateral
line
ear.
The
mechanisms
of
formation
the
distinct
sensory
organs
inner
ear
and
non-sensory
domains
that
separate
them
are
still
unclear.
Here,
we
show
several
patches
arise
by
progressive
segregation
from
a
common
prosensory
domain
in
embryonic
chicken
mouse
otocyst.
This
process
is
regulated
mutually
antagonistic
signals:
Notch
signalling
Lmx1a.
Notch-mediated
lateral
induction
promotes
fate.
Some
early
Notch-active
cells,
however,
normally
diverted
this
fate
increasing
produces
misshapen
or
fused
chick.
Conversely
Lmx1a
(or
cLmx1b
chick)
allows
organ
antagonizing
promoting
commitment
to
Our
findings
highlight
dynamic
nature
patch
labile
character
sensory-competent
progenitors,
which
could
have
facilitated
emergence
new
their
functional
diversification
course
evolution.
Canadian Journal of Fisheries and Aquatic Sciences,
Journal Year:
2021,
Volume and Issue:
78(6), P. 681 - 692
Published: Jan. 4, 2021
The
identification
of
fish
species
using
otolith
shape
has
been
common
in
many
fields
the
marine
science.
Different
analytical
processes
can
be
applied
for
morphological
discrimination,
but
reviewing
literature
we
have
found
conceptual
and
statistical
limitations
use
indices
wavelets
(contour
analysis),
being
specially
worrying
first
case
due
to
their
widespread
routine
use.
In
present
study,
42
were
classified
applying
traditional
machine
learning
classifiers
performance
measures
(accuracy,
Cohen’s
kappa
statistic,
sensitivity,
precision).
Our
results
conclusive;
a
more
adequate
option
classification
than
indices,
independently
considered.
artificial
neural
network
support
vector
provided
highest
values
all
wavelets.
cases,
sensitivity
precision
pointed
out
higher
confusion
between
some
patterns
indices.
Therefore,
strongly
discourage
species.