1
ABSTRACT. Xystreurys rasilis
h=π =
~
X. rasilis
Key words:
Evidencia preliminar de la historia demográca de Xystreurys rasilis (Pleuronectiformes:
Paralichthyidae) en el Atlántico Sudoccidental según se inere del ADNmt
RESUMEN. Xystreurys rasilis
h=π =
~
X. rasilis
Palabras clave:
Xystreurys rasilis
Preliminary evidence of the demographic history of Xystreurys rasilis
(Pleuronectiformes: Paralichthyidae) in the southwestern Atlantic as inferred
from mtDNA
1
1
Leandro A. Fainburg David E. Sabadin
Pedro Fernández Iriarte
Marine and
Fishery Sciences
MAFIS
*
Marine and Fishery Sciences 39 (1): xxx-xxx (2026)
Xystreurys rasilis
Xystreurys rasilis
X. rasilis
X. rasilis
Xystreurys rasilis
30° S
Southwestern Atlantic
South America
NEC
SAO
SMG
6°5W 6°0°55 5°05°4°40
3°5
°40
Fainburg et al.: Demographic history of flounder Xystreurys rasilis
X. rasilis
X. rasilis
Xystreurys rasilis
h
π
−
>
Xystreurys rasilis
==
h=
π=
==
X. rasilis
Xystreurys rasi-
lis
Marine and Fishery Sciences 39 (1): xxx-xxx (2026)
Xystreurys rasilis
π
~
Xystreurys rasilis.
Xystreurys rasilis =
=h=π==D=
F=<<
h ± π± D F
± ±
± ±
± ±
Pairwise differences
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
12345678910 11 12 13 14 16 18 20 22 24 2615 17 19 21 23 25 27
Observed frequency Expected frequency
Fainburg et al.: Demographic history of flounder Xystreurys rasilis
X. rasilis
Xystreurys rasilis
Xystreurys rasilis
1
1
1
1
1
1
1
1
1
1
111
1
1
1
1
2
NEC
SAO
Years before present
Populations size (Ne t)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0 0 20,000 40,000 60,000 80,000 100,000 120,000 140,000
Marine and Fishery Sciences 39 (1): xxx-xxx (2026)
Funding
Data availability
X. rasilis
Conict of interest
Ethical approval
Author contributions
Xystreurys rasile
Fainburg et al.: Demographic history of flounder Xystreurys rasilis
Xystreurys rasile
.
Paralichthys orbignyanus
Paralichthys
Paralichthys
isosceles P. patagonicusXystreurys rasile
.
Xystreu-
rys rasilis
Marine and Fishery Sciences 39 (1): xxx-xxx (2026)
