Depth Range Extension for the Misty Grouper Hyporthodus mystacinus Documented via Deep-Sea Landers throughout the Greater Caribbean
Fishes,
Journal Year:
2024,
Volume and Issue:
9(4), P. 114 - 114
Published: March 22, 2024
Misty
Groupers
(Hyporthodus
mystacinus)
are
one
of
the
largest
and
most
geographically
widespread
grouper
species
few
known
to
occur
at
depths
greater
than
200
m.
However,
aspects
their
basic
biology,
behavior,
ecology
remain
poorly
understood,
leaving
significant
gaps
in
our
ability
evaluate
functional
role
throughout
vertical
water
column,
as
well
understanding
conservation
needs
a
changing
ocean.
Through
in-situ
video
observation
obtained
using
deep-sea
landers
both
The
Bahamas
Cayman
Islands
over
multiple
years,
we
documented
Grouper
occurrence
up
470
m
depth
mesopelagic
zone.
These
observations
provide
new
range
extension
for
illuminate
potential
importance
deep-water
habitats
large
wider
Caribbean.
Language: Английский
The Sharklogger Network—monitoring Cayman Islands shark populations through an innovative citizen science program
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(5), P. e0319637 - e0319637
Published: May 9, 2025
The
use
of
citizen
science
can
be
a
cost-effective
tool
in
conservation
but
mostly
relies
on
the
collation
incidental
sighting
reports.
This
study
describes
design,
operation,
and
findings
novel,
closely-guided
program
(the
‘Sharklogger
Network’)
Cayman
Islands.
Participants
from
recreational
SCUBA
diving
community
used
standardized,
effort-based
protocol
to
monitor
local
coastal
shark
populations.
Over
two
years
(2017–2018)
total
69
participants
conducted
24,442
dives
across
472
sites
recorded
4,666
sightings
eight
species,
which
Caribbean
reef
shark,
nurse
hammerhead
spp.
were
most
frequently
observed
encountered
throughout
year.
data
dive
logs
provided
evidence
for
species-specific
distribution
abundance
patterns
within
islands,
indicating
greater
sharks
areas
with
less
anthropogenic
activity
exposure
strong
currents,
regardless
whether
area
was
an
MPA
or
not.
While
both
showed
depth
habitat
preferences,
recording
recognizable
individuals
that
some
species
have
relatively
small
home
ranges
high
site-fidelity
specific
areas.
also
first
confirmation
reproductive
behaviour
taking
place
summer
(May–August).
Experience
along
generating
valuable
program,
by
engaging
stakeholders,
enhanced
public
awareness
issues.
demonstrates
this
methodology
affordable
non-invasive
reliable
long-term
monitoring
Language: Английский
Studying Chondrichthyans Using Baited Remote Underwater Video Systems: A Review
Animals,
Journal Year:
2024,
Volume and Issue:
14(13), P. 1875 - 1875
Published: June 25, 2024
Cartilaginous
fish
face
significant
threats
due
to
overfishing
and
slow
reproductive
rates,
leading
rapid
declines
in
their
populations
globally.
Traditional
capture-based
surveys,
while
valuable
for
gathering
ecological
information,
pose
risks
the
health
survival
of
these
species.
Baited
Remote
Underwater
Video
Systems
(BRUVS)
offer
a
non-invasive
alternative,
allowing
standardized
surveys
across
various
habitats
with
minimal
disturbance
marine
life.
This
study
presents
comprehensive
review
BRUVS
applications
studying
cartilaginous
fish,
examining
81
peer-reviewed
papers
spanning
from
1990
2023.
The
analysis
reveals
increase
usage
over
past
three
decades,
particularly
Australia,
South
Africa,
Central
America.
most
common
configurations
include
benthic
setups,
mono-camera
systems,
use
Clupeidae
Scombridae
families
as
bait.
have
been
instrumental
195
chondrichthyan
species,
providing
insights
into
up
thirteen
different
aspects
life
histories.
Moreover,
facilitate
monitoring
endangered
data-deficient
contributing
crucial
data
conservation
efforts.
Overall,
this
underscores
value
powerful
tool
conserving
worldwide.
Language: Английский
Novel deep-sea observations reveal twilight zone occurrence for two species of pelagic sharks: the bignose shark Carcharhinus altimus and the silky shark Carcharhinus falciformis
Environmental Biology of Fishes,
Journal Year:
2024,
Volume and Issue:
107(2), P. 231 - 236
Published: Feb. 1, 2024
Language: Английский
Novel behavioral observations and body scarring for the bluntnose sixgill shark (Hexanchus griseus) offer clues to reproductive patterns and potential mating events
Frontiers in Marine Science,
Journal Year:
2024,
Volume and Issue:
11
Published: April 15, 2024
DATA
REPORT
article
Front.
Mar.
Sci.,
15
April
2024Sec.
Discoveries
Volume
11
-
2024
|
https://doi.org/10.3389/fmars.2024.1305487
Community composition and organic carbon flux in twilight zone communities of The Tongue of the Ocean and Exuma Sound, The Bahamas
Deep Sea Research Part I Oceanographic Research Papers,
Journal Year:
2024,
Volume and Issue:
212, P. 104373 - 104373
Published: Aug. 8, 2024
Language: Английский
First records of the roughskin dogfish Centroscymnus owstonii in the greater Antilles, central Caribbean Sea, Western Atlantic Ocean
Journal of Fish Biology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 28, 2024
Abstract
The
roughskin
dogfish
Centroscymnus
owstonii
,
a
deep‐sea
shark,
has
patchy
global
distribution,
with
most
knowledge
stemming
from
incidentally
captured
specimens.
Using
remote
lander
video
system,
we
observed
multiple
C.
individuals
alive
on
the
footage
at
1054
m
off
Little
Cayman,
Cayman
Islands,
Western
Atlantic
Ocean,
marking,
to
our
knowledge,
first
record
of
species
in
Greater
Antilles,
central
Caribbean
Sea,
while
also
adding
new
locality
for
Islands.
This
study
expands
distribution
region,
and
highlights
utility
systems
enhancing
expanding
understanding
biology
diversity
sharks.
Language: Английский
An integrated multi-source dataset of elasmobranchs in the Red Sea following the Red Sea Decade Expedition
Scientific Data,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Dec. 23, 2024
Red
Sea
elasmobranch
populations
are
facing
alarming
declines.
Effective
conservation
efforts
require
management
strategies
informed
by
extensive
datasets
and
developing
an
understanding
of
distribution
patterns
within
the
basin,
which
is
currently
lacking.
This
study
introduces
CERSE
(Central
Eastern
Elasmobranchs),
a
comprehensive
compilation
observations
in
central
eastern
basin
following
route
Decade
Expedition.
The
data
set
was
curated
from
surveys
conducted
during
two
scientific
cruises,
time-series
survey
Global
project
areas
(Tabuk
province),
extracted
peer-reviewed
literature.
Through
use
diverse
methodologies,
we
provide
holistic
view
elasmobranchs
region,
for
total
2,847
sightings
recorded.
By
consolidating
dispersed
information
across
this
dataset
forms
foundation
future
research
monitoring
endeavors
focused
on
fauna,
will
serve
as
cornerstone
informing
targeted
initiatives
aimed
at
safeguarding
endangered
species
region.
Language: Английский