Ichthyology & Herpetology,
Journal Year:
2023,
Volume and Issue:
111(2)
Published: April 12, 2023
Submersible
diving
in
the
1980/90s
Bahamas
and
Cuba
2013–2018
at
Curaçao,
Dominica,
Roatan
resulted
collection
of
a
new
species
Polylepion,
genus
wrasse
previously
known
only
from
Indian
Pacific
Oceans.
The
species,
which
inhabits
rariphotic
reef-fish
faunal
zone
depths
219–457
m,
is
another
example
deep-reef
belonging
to
largely
shallow-reef
family,
this
case
family
Labridae.
Here,
we
describe
provide
phylogenetic
placement
for
it
by
adding
sequence
data
12
genetic
markers
one
its
two
congeners
(P.
cruentum
eastern
Ocean)
published
dataset
comprising
336
wrasses
that
includes
other
congener,
P.
russelli,
West/Central
Our
results
resolve
history
Polylepion
first
molecular
support
monophyly
genus.
Evolution,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
The
role
of
phenotypic
modularity
in
the
evolution
skull
morphology
birds
has
been
a
subject
debate
recent
years.
Furnariids
(ovenbirds
and
woodcreepers),
spectacular
avian
adaptive
radiation,
are
distinguished
their
cranial
as
only
passerines
with
two
types
kinesis,
constituting
great
model
to
test
whether
novelties
linked
kinesis
was
associated
shifts
patterns
evolutionary
allometry
skull.
Our
analyses
by
means
geometric
morphometric
tools
phylogenetic
comparative
methods
show
that
beak
neurocranium
furnariids
evolved
modular
fashion
shaped
evolution.
Besides,
species
prokinesis
higher
degree
morphological
disparity,
lower
rates,
well
contribution
than
proximal
rhynchokinesis,
suggesting,
observed
several
vertebrates,
functional
demands
degrees
promoted
rapid
integration
throughout
Prokinetic
-
robust
morphotypes
rhynchokinetic
gracile
morphotypes,
have
repeatedly
convergence
both
modules,
which
suggests
existence
trade-offs
long-standing
optima
related
kinesis.
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(43)
Published: Oct. 25, 2023
Widely
documented,
megaevolutionary
jumps
in
phenotypic
diversity
continue
to
perplex
researchers
because
it
remains
unclear
whether
these
marked
changes
can
emerge
from
microevolutionary
processes.
Here,
we
tackle
this
question
using
new
approaches
for
modeling
multivariate
traits
evaluate
the
magnitude
and
distribution
of
elaboration
innovation
evolution
bird
beaks.
We
find
that
elaboration,
along
major
axis
change,
is
common
at
both
macro-
scales,
whereas
innovation,
away
more
prominent
scales.
The
change
among
species
beak
shapes
scales
an
emergent
property
across
clades.
Our
analyses
suggest
reorientation
phenotypes
via
a
ubiquitous
route
divergence
arise
through
gradual
alone,
opening
up
further
avenues
explore.
Integrative and Comparative Biology,
Journal Year:
2024,
Volume and Issue:
64(5), P. 1467 - 1483
Published: May 9, 2024
Synopsis
Constraints
on
phenotypic
evolution
can
lead
to
patterns
of
convergent
evolution,
by
limiting
the
“pool”
potential
phenotypes
in
face
endogenous
(functional,
developmental)
or
exogenous
(competition,
predation)
selective
pressures.
Evaluation
convergence
depends
integrating
ecological
and
morphological
data
within
a
robust,
comparative
phylogenetic
context.
The
staggering
diversity
teleost
fishes
offers
multitude
lineages
adapted
for
similar
roles
and,
therefore,
numerous
replicated
evolutionary
experiments
exploring
convergence.
However,
our
understanding
fish
feeding
systems
has
been
primarily
shaped
marine
species,
with
monolithic
exception
freshwater
cichlids.
Here
we
use
piranhas
pacus
(Serrasalmidae)
explore
different
ecologies
their
proxies
Neotropical
environments.
Specifically,
whether
is
more
widespread
among
plant-eating
fishes,
arising
from
strong
constraints
herbivores.
Using
osteological
micro-computed
tomographic
imaging
(μCT),
describe
major
axes
variation
piranhas,
regarding
diet
behaviors.
Next,
evaluated
herbivorous
niches
are
less
labile
than
other
dietary
guilds
species’
evolve
at
slower
rate
taxa.
We
then
assess
how
taxa
are,
using
three
suites
characters
(dental,
jaw,
abdominal
morphometrics).
Ecologically,
herbivory
not
dead
end,
exhibiting
observed
transition
rates
as
those
between
carnivores
omnivores.
documented
herbivores
that
have
carnivores.
Most
instances
found
taxa,
specifically
frugivores
folivores.
Moreover,
“complete”
convergence,
indicated
positive
metrics
one
morphometric
dataset,
were
only
Herbivores
do
appear
under
constrained
circumstances,
but
this
limited
ability.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: May 20, 2024
Abstract
The
neurocranium
(braincase)
is
one
of
the
defining
vertebrate
characters.
Housing
brain
and
other
key
sensory
organs,
articulating
with
jaws
contributing
to
shape
anteriormost
portion
body,
braincase
undoubtedly
great
functional
importance.
Through
studying
relationships
between
ecology
we
can
gain
an
improved
understanding
form-function
in
extant
fossil
taxa.
Elasmobranchii
(sharks
rays)
represent
important
case
study
diversity
as
their
simplified
somewhat
decoupled
from
components
cranium
relative
vertebrates.
Little
known
about
associations
this
clade.
In
report
patterns
mosaic
cranial
evolution
that
differ
significantly
those
present
clades.
degree
evolutionary
modularity
also
differs
Selachii
Batoidea.
both
cases
innovation
jaw
suspension
appears
have
driven
shifts
integration
modularity,
subsequently
facilitating
ecological
diversification.
Our
results
confirm
importance
water
depth
biogeography
drivers
elasmobranch
indicate
skeletal
articulation
represents
a
major
constraint
upon
The American Naturalist,
Journal Year:
2024,
Volume and Issue:
204(4), P. 345 - 360
Published: June 13, 2024
AbstractInvasions
of
freshwater
habitats
by
marine
fishes
provide
exceptional
cases
habitat-driven
biological
diversification.
Freshwater
make
up
less
than
1%
aquatic
but
contain
∼50%
fish
species.
However,
while
the
dominant
group
(Otophysi)
is
older
that
most
(Percomorphaceae),
it
morphologically
diverse.
Classically,
scientists
have
invoked
differences
in
tempo
and/or
mode
evolution
to
explain
such
unequal
morphological
We
tested
for
evidence
these
phenomena
superfamily
Cottoidea
(sculpins),
which
contains
substantial
radiations
and
fishes.
find
morphology
sculpins
evolves
faster
under
higher
constraint
sculpins,
causing
widespread
convergence
more
disparity
sculpins.
The
endemic
Lake
Baikal,
Siberia,
are
exceptions
demonstrate
elevated
novelty
akin
Several
tantalizing
factors
may
findings,
as
habitat
stability
connectivity
between
systems.
Evolution,
Journal Year:
2023,
Volume and Issue:
77(9), P. 2000 - 2014
Published: June 21, 2023
Abstract
The
upper
and
lower
jaws
of
some
wrasses
(Eupercaria:
Labridae)
possess
teeth
that
have
been
coalesced
into
a
strong
durable
beak
they
use
to
graze
on
hard
coral
skeletons,
hard-shelled
prey,
algae,
allowing
many
these
species
function
as
important
ecosystem
engineers
in
their
respective
marine
habitats.
While
the
ecological
impact
is
well
understood,
questions
remain
about
its
evolutionary
history
effects
this
innovation
downstream
patterns
morphological
evolution.
Here
we
analyze
3D
cranial
shape
data
phylogenetic
comparative
framework
paleoclimate
modeling
reconstruct
evolution
labrid
across
205
species.
We
find
evolved
beaks
three
times
independently,
once
within
odacines
twice
parrotfishes
Pacific
Atlantic
Oceans.
an
increase
rate
Scarus+Chlorurus+Hipposcarus
(SCH)
clade
likely
driven
by
intramandibular
joint.
Paleoclimate
shows
SCH
rapidly
morphologically
diversified
during
middle
Miocene.
hypothesize
possession
coupled
with
favorable
environmental
conditions
allowed
diversify.
Evolution Letters,
Journal Year:
2024,
Volume and Issue:
9(1), P. 24 - 40
Published: Oct. 8, 2024
Abstract
Modifications
to
the
pharyngeal
jaws—a
prey
processing
system
located
posterior
mouth
cavity—are
widely
considered
a
key
innovation
that
enhanced
diversification
within
several
prominent
fish
clades.
Seen
in
cichlids,
damselfishes,
wrasses,
and
few
other
lineages,
these
musculoskeletal
alterations
are
believed
increase
evolutionary
independence
and,
thus,
of
oral
jaw
systems.
To
test
this
classic
hypothesis,
we
conducted
comparative
phylogenetic
analyses
assess
effect
novelty
on
feeding
morphology
kinematics
across
taxonomically
diverse
sample
spiny-rayed
fishes.
We
quantified
movements
jaws
craniofacial
structures
from
689
suction-feeding
strikes
using
high-speed
videos
collected
228
species
with
without
novelty.
Contradicting
long-held
predictions,
find
significantly
greater
disparity
all
traits
faster
rates
functional
evolution
fishes
specialized
system.
The
modified
is
undoubtedly
as
it
enhances
strength
system,
facilitating
exceptional
transition
hard
tough
prey.
However,
also
restricts
revealing
impact
pharyngognathy
more
nuanced
than
previously
thought.
In
light
recent
findings,
reinterpretation
macroevolutionary
consequences
needed.
Evolution,
Journal Year:
2023,
Volume and Issue:
77(6), P. 1277 - 1288
Published: March 30, 2023
Abstract
Morphological
evolution
of
the
vertebrate
skull
has
been
explored
across
a
wide
range
tetrapod
clades
using
geometric
morphometrics,
but
application
these
methods
to
teleost
fishes,
accounting
for
roughly
half
all
species,
limited.
Here
we
present
results
study
investigating
3D
morphological
neurocranium
114
species
Pelagiaria,
diverse
clade
open-ocean
fishes
that
includes
tuna
and
mackerel.
Despite
showing
high
shape
disparity
overall,
taxa
from
families
fall
into
three
distinct
clusters.
Convergence
in
within
clusters
is
high,
phylogenetic
signal
data
significant
low.
Neurocranium
significantly
correlated
with
body
elongation
weakly
size.
Diet
habitat
depth
are
shape,
nonsignificant
after
phylogeny.
Evolutionary
integration
suggesting
convergence
extreme
morphologies
associated
neurocranial
elements.
These
suggest
pelagiarian
reflects
extremes
found
constrained
along
relatively
few
axes
variation,
resulting
repeated
toward
restricted
morphologies.