Herpetología Mexicana.,
Journal Year:
2024,
Volume and Issue:
7, P. 7 - 22
Published: June 30, 2024
The
study
on
the
biological
richness
of
“El
Mineral
de
Nuestra
Señora
la
Candelaria”
reserve
in
Sinaloa
reveals
its
outstanding
diversity
amphibians
and
reptiles,
as
well
importance
their
conservation.
Over
years,
this
reserve,
located
Cosalá,
has
served
a
refuge
for
numerous
endemic
protected
species,
facing
challenges
such
poaching,
habitat
degradation,
forest
fires
complex
social
problems.
Despite
these
challenges,
conservation
actions
environmental
education
surveillance
have
helped
mitigate
negative
impacts.
This
highlights
prevailing
need
to
preserve
unique
ecosystems
maintain
ecological
balance,
protect
herpetofauna
Sierra
Madre
Occidental
enjoy
ecosystem
services,
providing
solid
foundation
future
long-term
management
strategies.
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e17705 - e17705
Published: July 19, 2024
The
impact
of
temperature
on
reptile
physiology
has
been
examined
through
two
main
parameters:
locomotor
performance
and
metabolic
rates.
Among
reptiles,
different
species
may
respond
to
environmental
temperatures
in
distinct
ways,
depending
their
thermal
sensitivity.
Such
variation
can
be
linked
the
ecological
lifestyle
needs
taken
into
consideration
when
assessing
influence
physiology.
This
is
particularly
relevant
for
snakes,
which
are
a
very
functionally
diverse
group.
In
this
study,
our
aim
was
analyze
sensitivity
resting
rate
(RMR)
three
snake
from
central
Mexico
(
Crotalus
polystictus
,
Conopsis
lineata
Thamnophis
melanogaster
),
highlighting
how
it
influenced
by
distinctive
behavioral
traits.
We
tested
both
physiological
parameters
five
treatments:
15
°C,
25
30
33
36
°C.
Using
data,
we
developed
curves
(TPCs)
each
analyzed
RMR
data
using
generalized
linear
mixed
models.
optimal
locomotion
C.
falls
near
its
critical
maximum,
suggesting
that
maintain
at
high
but
with
narrow
safety
margin.
T.
exhibited
fastest
swimming
speeds
highest
mass-adjusted
RMR.
aligns
expectations
since
an
active
forager,
energy
demand
mode.
have
wide
breadth,
suggests
they
generalists
over
interval
temperatures.
beneficial
cold
habitat,
such
characteristic
found
allow
some
adequate
levels
suboptimal
increased
along
temperature,
proportional
surge
not
uniform
measured
Q
10
low
treatments.
High
could
adaptation
favorable
temperatures,
whereas
facilitate
responses
heat
stress.
Overall,
results
show
adaptations
environments
inhabit.
Their
activity
patterns
foraging
habits
closely
these
adaptations.
Further
studies
other
populations
climatic
conditions
would
provide
valuable
information
complement
current
understanding
effect
properties
Revista Mexicana de Biodiversidad,
Journal Year:
2023,
Volume and Issue:
94, P. e945332 - e945332
Published: Nov. 7, 2023
Specimens
of
the
amphibian
species
Leptodactylus
melanonotus
and
Incilius
marmoreus
were
collected
in
several
localities
Colima
State,
Mexico,
from
July
to
October
2021.
An
undescribed
nematode
genus
Cosmocerca
was
found
intestine
L.
melanonotus.
The
new
differs
every
other
assigned
this
by
combination
following
characters:
absence
lateral
alae
males,
5
plectanes,
spicules
size,
gubernaculum
size
shape.
This
is
39th
included
worldwide
it
second
described
Mexico.
Six
helminth
during
study:
Rauschiella
poncedeleoni,
colimense
n.
sp.,
Oswaldocruzia
subauricularis,
Rhabdias
sp.
melanonotus;
Aplectana
incerta
pipiens
I.
marmoreus.
Revista Latinoamericana de Herpetología,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: March 14, 2024
Documentamos
formalmente
nuevos
registros
de
distribución
dignos
mención
para
la
entidad
Oaxaca
en
el
sur
México,
incluidas
las
ranas
arborícolas
Charadrahyla
chaneque,
Sarcohyla
labeculata,
S.
hazelae,
celata
y
Triprion
spinosus.
La
serpiente
falsa
ojo
gato
Tantalophis
discolor,
cordelilla
Imantodes
gemmistratus,
coral
Micrurus
elegans
víboras
Agkistrodon
bilineatus,
Cerrophidion
petlalcalensis,
Ophryacus
undulatus
Porthidum
dunni.
Algunos
representan
redescubrimiento
especie
varias
décadas.
Biología y Sociedad,
Journal Year:
2024,
Volume and Issue:
7(14), P. 81 - 93
Published: July 1, 2024
The
species
of
rattlesnakes
that
inhabit
the
islands
Gulf
California
in
México
represent
a
group
vertebrates
are
endangered
(García-Padilla
et
al.,
2018).
main
pressures
they
face
invasive
and
illegal
capture
for
commercialization
(Mellinck,
1995).
Presently,
aspects
natural
history
conservation
status
many
populations
various
still
remain
virtually
unknown
to
science.
During
May-June
2009,
we
visited
Isla
El
Muerto
where
there
exists
an
insular
population
rattlesnake
Crotalus
pyrrhus
(Meik
2015).
taxonomic
this
has
been
discussed,
but
almost
nothing
published
about
its
ecology
history.
Here,
present
new
data
concerning
distribution,
relative
abundance,
species.
We
established
might
be
less
abundant
than
previous
authors
mentioned;
estimated
abundance
obtained
is
0.22
snakes/hour.
Also,
identified
provided
by
Mexican
(NOM-059
SEMARNAT,
2019)
international
(IUCN)
systems
needs
revised
modified
allocate
higher
level
protection.
believe
information
can
used
as
basis
promoting
achieving
effective
protection
C.
habitat
perpetuity
Herpetología Mexicana.,
Journal Year:
2024,
Volume and Issue:
7, P. 7 - 22
Published: June 30, 2024
The
study
on
the
biological
richness
of
“El
Mineral
de
Nuestra
Señora
la
Candelaria”
reserve
in
Sinaloa
reveals
its
outstanding
diversity
amphibians
and
reptiles,
as
well
importance
their
conservation.
Over
years,
this
reserve,
located
Cosalá,
has
served
a
refuge
for
numerous
endemic
protected
species,
facing
challenges
such
poaching,
habitat
degradation,
forest
fires
complex
social
problems.
Despite
these
challenges,
conservation
actions
environmental
education
surveillance
have
helped
mitigate
negative
impacts.
This
highlights
prevailing
need
to
preserve
unique
ecosystems
maintain
ecological
balance,
protect
herpetofauna
Sierra
Madre
Occidental
enjoy
ecosystem
services,
providing
solid
foundation
future
long-term
management
strategies.
