Standardized Approach to Life History Data Collection in Poeciliid Fishes
Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
15(2)
Published: Feb. 1, 2025
ABSTRACT
Livebearing
fishes
in
the
family
Poeciliidae
have
been
essential
to
testing
life
history
theory.
These
species
are
remarkable
because
males
internally
inseminate
females,
and
females
give
birth
free‐swimming
young,
making
these
amenable
investigating
evolution
of
a
variety
traits,
including
timing
nature
maternal
reproductive
investment,
maturity,
strategies
for
provisioning
embryos,
several
other
classic
traits.
However,
researchers
vary
methods
that
they
use
measure
it
difficult
compare
findings
across
studies.
Here,
I
present
standardized
approach
studying
traits
livebearing
fishes.
describe
preserving
samples
field,
collecting
data
on
standard
set
processing
ways
will
allow
comparisons
among
highlight
different
options
preservation
techniques
collection
dependent
specific
questions
being
addressed.
Finally,
argue
moving
forward
make
possible
complete
large‐scale
comparative
studies
reveal
how
evolved
this
important
model
system.
Language: Английский
Phylogeny, biology, and evolution of acanthopterygian fish clades
Reviews in Fish Biology and Fisheries,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
Language: Английский
Evolutionary Rate Shifts in Coding and Regulatory Regions Underpin Repeated Adaptation to Sulfidic Streams in Poeciliid Fishes
Genome Biology and Evolution,
Journal Year:
2024,
Volume and Issue:
16(5)
Published: May 1, 2024
Abstract
Adaptation
to
extreme
environments
often
involves
the
evolution
of
dramatic
physiological
changes.
To
better
understand
how
organisms
evolve
these
complex
phenotypic
changes,
repeatability
and
predictability
evolution,
possible
constraints
on
adapting
an
environment,
it
is
important
adaptive
variation
has
evolved.
Poeciliid
fishes
represent
a
particularly
fruitful
study
system
for
investigations
adaptation
due
their
repeated
colonization
toxic
hydrogen
sulfide–rich
springs
across
multiple
species
within
clade.
Previous
have
highlighted
changes
in
physiology
gene
expression
specific
that
are
thought
facilitate
springs.
However,
presence
nucleotide
coding
regulatory
regions
degree
which
convergent
shaped
genomic
underpinning
sulfide
tolerance
taxa
unknown.
By
sampling
seven
independent
lineages
nonsulfidic
colonized
adapted
springs,
we
reveal
signatures
shared
evolutionary
rate
shifts
genome.
We
found
evidence
genes,
promoters,
putative
enhancer
associated
with
both
increased
decreased
sulfide–adapted
lineages.
Our
analysis
highlights
sulfidic
modulation
endogenous
production
detoxification.
also
shifted
rates
spring
more
exhibited
either
region
or
sequence
given
gene,
rather
than
both.
Language: Английский
Mitogenomic Characterization and Phylogenetic Insights of the Ornamental Sail-Fin Molly (Poecilia velifera) in Non-Native Indonesian Waters
Biochemical Genetics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 4, 2025
Language: Английский
Phylogenetic Diversity of Live‐Bearing Fishes (Poeciliidae) Peaks on Peninsulas, Isthmuses, and in Deserts
Journal of Biogeography,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
ABSTRACT
Aim
Poeciliids
are
ecologically
important,
widely
used
as
pets,
and
also
have
value
model
organisms.
To
understand
diversity
within
this
family,
we
study
their
phylogenetic
(PD)
at
regional
local
scales
to
delimit
bioregions
identify
patterns
of
biodiversity.
Location
The
Americas.
Taxon
Poeciliidae
(Actinopterygii:
Cyprinodontiformes).
Methods
We
expanded
an
existing
dated
phylogeny
from
164
261
species
with
distributional
data
for
1
o
×
latitude
longitude
cells
(~111
km
2
)
conducted
a
cluster
analysis
(phylo‐jaccard
distance)
delineate
bioregions.
For
individual
cells,
mapped
richness
(SR),
(PD),
weighted
endemism
(WE)
(PE).
randomisation
tests
map
clustering
over‐representation
short‐branch
by
cell.
categorical
neo‐
palaeo‐endemism
neo‐,
palaeo‐,
mixed
super
(mixed)
endemism.
Results
delineated
six
Highest
density
PD
occurred
on
the
Isthmus
Panamá
(IOP).
At
grid‐cell
scale,
Grijalva–Usumacinta
drainage
is
hotspot
SR,
PD,
PE
WE;
IOP
has
high
PE;
Tehuantepec
(IOT)
WE
moderately
SR;
western
Hispaniola
SR.
includes
palaeoendemism,
while
widespread
in
Middle
America
Greater
Antilles.
Phylogenetic
widespread,
whereas
concentrated
Chihuahuan
Desert–Sierra
Madre
Oriental
region
Hispaniola,
both
hotspots
neoendemism.
Main
Conclusions
found
diversification
genera
intermixed
relict
(mixed
endemism).
Furthermore,
SR
were
strongly
correlated.
Centres
include
Oriental,
IOT,
(most
all)
drainage.
However,
conservation
efforts
must
occur
each
bioregion
genus.
Language: Английский