Frontiers in Remote Sensing,
Journal Year:
2024,
Volume and Issue:
5
Published: Aug. 7, 2024
There
is
growing
evidence
that
studying
aquatic
acoustic
communities
can
provide
ecologically
relevant
information.
Understanding
these
may
offer
unique
insights
into
species
behaviour
and
ecology,
while
consolidating
passive
monitoring
as
a
tool
for
mapping
the
presence
of
target
or
estimating
changes
in
biodiversity.
Fish
be
significant
soundscape
contributors,
but
most
soniferous
fish
are
yet
to
identified.
Here,
we
crossed
information
three
key
Lusitanian
Province
Temperate
Northern
Atlantic
(the
Madeira
archipelago,
Azores
archipelago
Arrábida
mainland
Portugal)
unveil
potential
sources
unidentified
sounds.
We
found
shared
various
sound
types
were
able
narrow
down
list
possible
sources.
Several
suggested
produced
by
Pomacentridae,
Scorpaenidae
Serranidae
families.
also
observed
type
/
kwa
/,
associated
with
Scorpaena
spp.,
exhibited
more
variations
geographic
area
where
this
genus
known
present.
This
study
showcases
that,
databases
sounds
continue
grow,
future
comparisons
multiple
unknown
types.
Frontiers in Ecology and Evolution,
Journal Year:
2022,
Volume and Issue:
10
Published: Feb. 8, 2022
Aquatic
environments
encompass
the
world’s
most
extensive
habitats,
rich
with
sounds
produced
by
a
diversity
of
animals.
Passive
acoustic
monitoring
(PAM)
is
an
increasingly
accessible
remote
sensing
technology
that
uses
hydrophones
to
listen
underwater
world
and
represents
unprecedented,
non-invasive
method
monitor
environments.
This
information
can
assist
in
delineation
biologically
important
areas
via
detection
sound-producing
species
or
characterization
ecosystem
type
condition,
inferred
from
properties
local
soundscape.
At
time
when
worldwide
biodiversity
significant
decline
soundscapes
are
being
altered
as
result
anthropogenic
impacts,
there
need
document,
quantify,
understand
biotic
sound
sources–potentially
before
they
disappear.
A
step
toward
these
goals
development
web-based,
open-access
platform
provides:
(1)
reference
library
known
unknown
biological
sources
(by
integrating
expanding
existing
libraries
around
world);
(2)
data
repository
portal
for
annotated
unannotated
audio
recordings
single
soundscapes;
(3)
training
artificial
intelligence
algorithms
signal
classification;
(4)
citizen
science-based
application
public
users.
Although
individually,
resources
often
met
on
regional
taxa-specific
scales,
many
not
sustained
and,
collectively,
enduring
global
database
integrated
has
been
realized.
We
discuss
benefits
such
program
provide,
previous
calls
data-sharing
libraries,
challenges
be
overcome
bring
together
bio-
ecoacousticians,
bioinformaticians,
propagation
experts,
web
engineers,
processing
specialists
(e.g.,
intelligence)
necessary
support
funding
build
sustainable
scalable
could
address
needs
all
contributors
stakeholders
into
future.
Reviews in Aquaculture,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: Jan. 1, 2025
ABSTRACT
Digital
aquaculture
leverages
advanced
technologies
and
data‐driven
methods,
providing
substantial
benefits
over
traditional
practices.
This
article
presents
a
comprehensive
review
of
three
interconnected
digital
tasks,
namely,
fish
tracking,
counting,
behaviour
analysis,
using
novel
unified
approach.
Unlike
previous
reviews
which
focused
on
single
modalities
or
individual
we
analyse
vision‐based
(i.e.,
image‐
video‐based),
acoustic‐based,
biosensor‐based
methods
across
all
tasks.
We
examine
their
advantages,
limitations,
applications,
highlighting
recent
advancements
identifying
critical
cross‐cutting
research
gaps.
The
also
includes
emerging
ideas
such
as
applying
multitask
learning
large
language
models
to
address
various
aspects
monitoring,
an
approach
not
previously
explored
in
literature.
identify
the
major
obstacles
hindering
progress
this
field,
including
scarcity
datasets
lack
evaluation
standards.
To
overcome
current
explore
potential
multimodal
data
fusion
deep
improve
accuracy,
robustness,
efficiency
integrated
monitoring
systems.
In
addition,
provide
summary
existing
available
for
analysis.
holistic
perspective
offers
roadmap
future
research,
emphasizing
need
standards
facilitate
meaningful
comparisons
between
promote
practical
implementations
real‐world
settings.
Scientific Data,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: Dec. 18, 2023
A
working
group
from
the
Global
Library
of
Underwater
Biological
Sounds
effort
collaborated
with
World
Register
Marine
Species
(WoRMS)
to
create
an
inventory
species
confirmed
or
expected
produce
sound
underwater.
We
used
several
existing
inventories
and
additional
literature
searches
compile
a
dataset
categorizing
scientific
knowledge
sonifery
for
33,462
subspecies
across
marine
mammals,
other
tetrapods,
fishes,
invertebrates.
found
729
documented
as
producing
active
and/or
passive
sounds
under
natural
conditions,
another
21,911
deemed
likely
based
on
evaluated
taxonomic
relationships.
The
is
available
both
figshare
WoRMS
where
it
can
be
regularly
updated
new
information
becomes
available.
data
also
integrated
databases
(e.g.,
SeaLifeBase,
Biodiversity
Information
Facility)
advance
future
research
distribution,
evolution,
ecology,
management,
conservation
underwater
soniferous
worldwide.
The Journal of the Acoustical Society of America,
Journal Year:
2024,
Volume and Issue:
155(1), P. 781 - 789
Published: Jan. 1, 2024
Danionella
cerebrum
has
recently
been
proposed
as
a
promising
model
to
investigate
the
structure
and
function
of
adult
vertebrate
brain,
including
development
vocal–auditory
neural
pathways.
This
genetically
tractable
transparent
cypriniform
is
highly
vocal,
but
limited
information
available
on
its
acoustic
behavior
underlying
biological
function.
Our
main
goal
was
characterize
repertoire
diel
variation
in
sound
production
D.
cerebrum,
well
relationship
between
vocal
reproduction.
Sound
recordings
demonstrated
high
activity,
with
sounds
varying
from
short
sequences
pulses
known
“bursts”
(comprising
up
15
pulses)
notably
longer
sounds,
termed
“long
bursts”,
which
extended
349
over
2.7
s.
Vocal
activity
peaked
at
midday
it
very
low
night
only
few
bursts.
While
number
higher
during
daytime,
interpulse
interval
night.
In
addition,
calling
time
positively
associated
viable
eggs,
suggesting
that
communication
important
for
These
preliminary
findings
reveal
potential
using
plasticity
implications
sexual
selection
reproduction
novel
neuroscience.
Frontiers in Remote Sensing,
Journal Year:
2024,
Volume and Issue:
5
Published: March 1, 2024
The
global
decline
of
coral
reefs
is
a
major
contributor
to
the
biodiversity
crisis
and
requires
improved
monitoring
at
these
critically
important
habitats.
Non-invasive
passive
acoustic
assessments
may
address
this
need,
leveraging
rich
variety
spatiotemporal
variability
biological
sounds
present
in
reef
environments
offering
near-continuous
temporal
coverage.
Despite
this,
metrics
that
reliably
represent
health
are
still
debated,
ground-truthing
methods
limited.
Here
we
investigated
how
prevalence
low
frequency
biotic
(without
species
information)
relates
health,
providing
foundation
from
which
one
can
compare
assessment
methods.
We
first
quantified
call
rates
for
three
exhibiting
different
community
assemblages
around
St.
John,
U.S.
Virgin
Islands,
by
manually
annotating
presumed
fish
noises
1
min
every
30
across
8
days
each
site.
Annotated
were
selected
key
points
lunar
cycles.
These
then
compared
with
traditional
visual
surveys,
several
indices
commonly
used
underwater
soundscape
research.
found
that,
overall,
detected
successfully
differentiated
between
reefs,
capturing
variation
crepuscular
activity
levels–a
pattern
consistent
previous
work
highlights
importance
diel
choruses.
Moreover,
vocal
predictors
hard
cover,
abundance,
richness,
while
most
failed
parse
out
fine
distinctions
among
sites.
Some,
such
as
Acoustic
Complexity
Index,
reveal
any
expected
differences
sites
or
times
day,
Bioacoustic
Index
could
only
identify
acoustically
active
reef,
otherwise
having
weak
correlations
metrics.
Of
tested,
root-mean-squared
sound
pressure
level
Entropy,
both
calculated
band
(50–1,200
Hz),
showed
strongest
association
measures.
findings
an
step
toward
using
cues
assessments.
limited
generalizability
locations
emphasizes
need
caution
their
application.
Therefore,
it
crucial
improve
utilizing
sounds,
automatic
detectors
able
generalize
well
new
soundscapes.
ICES Journal of Marine Science,
Journal Year:
2023,
Volume and Issue:
80(7), P. 1854 - 1867
Published: Aug. 11, 2023
Abstract
Aquatic
ecosystems
are
constantly
changing
due
to
anthropic
stressors,
which
can
lead
biodiversity
loss.
Ocean
sound
is
considered
an
essential
ocean
variable,
with
the
potential
improve
our
understanding
of
its
impact
on
marine
life.
Fish
produce
a
variety
sounds
and
their
choruses
often
dominate
underwater
soundscapes.
These
have
been
used
assess
communication,
behaviour,
spawning
location,
biodiversity.
Artificial
intelligence
provide
robust
solution
detect
classify
fish
sounds.
However,
main
challenge
in
applying
artificial
recognize
lack
validated
data
for
individual
species.
This
review
provides
overview
recent
publications
use
machine
learning,
including
deep
detection,
classification,
identification.
Key
challenges
limitations
discussed,
some
points
guide
future
studies
also
provided.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Jan. 2, 2024
Abstract
Vocalizations
communicate
information
indicative
of
behavioural
state
across
divergent
social
contexts.
Yet,
how
brain
regions
actively
pattern
the
acoustic
features
context-specific
vocal
signals
remains
largely
unexplored.
The
midbrain
periaqueductal
gray
(PAG)
is
a
major
site
for
initiating
vocalization
among
mammals,
including
primates.
We
show
that
PAG
neurons
in
highly
fish
species
(
Porichthys
notatus
)
are
activated
distinct
patterns
during
agonistic
versus
courtship
calling
by
males,
with
few
co-activated
non-vocal
behaviour,
foraging.
Pharmacological
manipulations
within
vocally
active
PAG,
but
not
hindbrain,
sites
evoke
network
output
to
sonic
muscles
matching
temporal
and
calls,
showing
balance
inhibitory
excitatory
dynamics
likely
necessary
patterning
different
call
types.
Collectively,
these
findings
support
hypothesis
mammals
share
functionally
comparable
nodes
some
can
influence
structure
signals.
Frontiers in Remote Sensing,
Journal Year:
2024,
Volume and Issue:
5
Published: Aug. 22, 2024
Many
species
of
fishes
around
the
world
are
soniferous.
The
types
sounds
produce
vary
among
and
regions
but
consist
typically
low-frequency
(
<
1.5
kHz)
pulses
grunts.
These
can
potentially
be
used
to
monitor
non-intrusively
could
complement
traditional
monitoring
techniques.
However,
significant
time
required
for
human
analysts
manually
label
fish
in
acoustic
recordings
does
not
yet
allow
passive
acoustics
as
a
viable
tool
fishes.
In
this
paper,
we
compare
two
different
approaches
automatically
detect
sounds.
One
is
more
machine
learning
technique
based
on
detection
transients
spectrogram
classification
using
Random
Forest
(RF).
other
deep
approach
overlapping
segments
(0.2
s)
ResNet18
Convolutional
Neural
Network
(CNN).
Both
algorithms
were
trained
21,950
annotated
non-fish
collected
from
2014
2019
at
five
locations
Strait
Georgia,
British
Columbia,
Canada.
performance
detectors
was
tested
part
data
Georgia
that
withheld
training
phase,
Barkley
Sound,
Port
Miami,
Florida,
United
States.
CNN
performed
up
1.9
times
better
than
RF
id="m2">F1
score:
0.82
vs.
0.43).
some
cases,
able
find
faint
analyst
well
environments
one
it
(Miami
id="m3">F1
0.88).
Noise
analysis
20–1,000
Hz
frequency
band
shows
still
reliable
noise
levels
greater
130
dB
re
1
id="m4">μ
Pa
Miami
becomes
less
Sound
past
100
id="m5">μ
due
mooring
noise.
proposed
efficiently
(unidentified)
variety
also
facilitate
development
species-specific
detectors.
We
provide
software
FishSound
Finder,
an
easy-to-use
open-source
implementation
detector
with
detailed
documentation.