Multiple introduction pathways of non-native Phoxinus minnows (Teleostei: Leuciscidae) in Corsica revealed by its hidden diversity and their parasites
Biological Invasions,
Journal Year:
2024,
Volume and Issue:
26(8), P. 2453 - 2474
Published: April 27, 2024
Abstract
The
introduction
of
freshwater
fish
species
is
a
leading
cause
aquatic
biodiversity
erosion
and
can
spread
parasites
to
native
populations.
Hidden
diversity
evidenced
by
recent
taxonomic
revisions
add
further
complexity
the
issue
rendering
biological
assessment
data
incomplete.
Eurasian
minnows
Phoxinus
are
one
such
example
cryptic
diversity,
with
several
described
being
invasive.
Current
non-native
populations
in
small
Mediterranean
island
Corsica
(France)
result
successive
waves
introductions,
including
species.
This
study
aims
at
determining
which
were
introduced
using
cytochrome
oxidase
subunit
I
barcoding
marker,
reconstructing
their
routes
examining
parasite
communities.
found
four
Corsica:
phoxinus
csikii
mainly
northernmost
studied
drainage
basin
dragarum
septimaniae
Tavignano
basin.
P.
most
likely
through
live
bait
wholesaler
while
probably
recreational
anglers
bringing
from
continental
France.
molecular
Gyrodactylus
(Platyhelminthes:
Monogenea)
ITS
marker
allowed
us
hypothesize
inter-drainage
secondary
for
.
In
sampling
sites,
had
black
spot
disease
caused
encysted
metacercariae
Digenea,
Posthodiplostomum
cuticola
These
also
on
brown
trout
Salmo
trutta
locality
where
this
patrimonial
co-occurs
minnows.
Barcoding
should
be
used
communities
monitoring
help
accurately
identify
Language: Английский
Forgotten for two centuries: redescription of Phoxinus isetensis (Georgi, 1775) (Cypriniformes, Leuciscidae) – the most widespread minnow in Europe
Zoosystematics and Evolution,
Journal Year:
2024,
Volume and Issue:
100(3), P. 1155 - 1173
Published: Aug. 22, 2024
The
morphology,
phylogenetic
position,
and
distribution
of
a
recently
revalidated
species
leuciscid
minnow,
Phoxinus
isetensis
,
were
substantially
clarified.
was
described
in
the
late
18
th
century
from
Middle
Urals
but
later
synonymized
with
phoxinus
.
As
believed,
P.
is
distributed
Arctic
Ocean
catchment
Murman
coast
via
West
East
Siberia
until
Pacific
Far
Northeastern
Asia.
Our
study,
use
mtDNA
markers
coupled
extensive
morphological
data,
showed
that
greatly
different.
Currently,
this
most
widespread
Europe,
Northern
Western
Europe
on
eastern
edge
(Iset
Ural
basins).
In
particular,
inhabits
basins
Caspian,
Baltic,
White,
Barents,
Kara
seas,
possibly
occurring
North
Sea
basin.
redescribed,
type
locality
neotype
designated.
main
difference
other
spp.
large
total
number
vertebrae
(39–43,
mode
41)
due
to
an
increase
caudal
(16–21,
19).
Phylogenetically,
sister
Caucasian
colchicus
(
p
-distance
=
5%).
wide
within
area
Last
Glacial
Maximum
suggests
rapid
colonization
deglaciated
regions,
probably
its
adaptation
cold
climate.
Language: Английский
An integrative approach highlights the discrepancy in the genetic, phenotypic, and presumptive taxonomic structure of Phoxinus (Actinopterygii, Leuciscidae, Phoxininae) in Bulgaria
Journal of Fish Biology,
Journal Year:
2024,
Volume and Issue:
105(1), P. 214 - 238
Published: May 6, 2024
The
present
drainage
network
of
Bulgaria
is
the
result
a
complex
Neogene
and
Quaternary
evolution.
Karst,
which
has
developed
on
23%
territory,
further
complicates
hydrological
pattern.
Fresh
waters
drain
into
Black
Sea
Aegean
basins
can
be
roughly
divided
Danube
(Middle
Lower
Danube),
non-Danube
Sea,
East
Aegean,
West
regions.
Phoxinus,
small
leuciscid
fish,
mosaic
distribution
in
all
four
these
regions,
inhabiting
mountainous
semi-mountainous
streams.
Based
morphology,
it
was
identified
as
three
species,
Phoxinus
phoxinus
Danube,
strandjae
non-Danube,
strymonicus
region.
Later,
molecular
data
revealed
csikii
lumaireul
Middle
P.
Danube.
been
focus
many
studies,
showing
high
morphological
diversity,
not
entirely
consistent
with
previous
morphology-only-based
taxonomic
concepts.
In
this
study,
(a
mitochondrial
marker
nuclear
marker)
from
both
historical
recently
sampled
collections
were
analysed
to
assess
applicability
integrative
approach
Phoxinus.
results
showed
significant
influence
paleo-
recent
hydrology
currently
observed
genetic
structure
considered
populations
species.
Furthermore,
study
also
demonstrated
strong
phenotypic
plasticity
analysis
lack
clear
differentiation
between
strandjae.
A
barcoded
specimen
designated
neotype
fix
species
named
current
concept.
Finally,
discordance
genetically
delimited
clades
groups
did
allow
proper
delineation
distributed
Bulgaria,
demonstrating
that
more
markers
are
needed
for
complex.
Language: Английский
Unclear host taxonomy hinders parasite studies: An up‐to‐date checklist of the protozoan and metazoan parasites of Phoxinus minnows (Teleostei: Leuciscidae)
Journal of Fish Biology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 10, 2024
Phoxinus
minnows
are
small
freshwater
fish
found
throughout
Eurasia.
The
taxonomy
of
this
genus
is
still
under
investigation,
and
new
species
regularly
described.
They
frequently
introduced
outside
their
native
range
due
to
use
as
live
bait
for
angling,
such
introductions
can
have
diverse
impacts
on
the
recipient
areas.
Before
rise
in
interest
regarding
diversity
past
15
years,
studies
carried
out
biology
ecology
reported
findings
Eurasian
minnow
phoxinus
Linnaeus,
1758,
which
was
then
considered
ubiquitous.
A
parasites
checklist
has
yet
be
published,
recent
progress
enabled
us
propose
a
reassignment
parasite
records
proper
host.
most
thoroughly
studied
potential
were
North
European
sp.
7
sensu
Palandačić
et
al.
2017,
isetensis,
P.
phoxinus.
We
able
highlight
gap
knowledge
numerous
that
received
little-to-no
attention
terms
parasitology.
Systematic
molecular
identification
should
conducted
when
studying
parasites,
reliable
host
vital
parasitology
research.
Future
research
will
certainly
reveal
species-specific
composition
parasitofauna
occurring
Phoxinus,
especially
among
widespread
Gyrodactylus
Diplostomum.
Such
specificities
could
even
become
tools
assessing
introduction
routes
species.
Language: Английский