213
RESUMEN.
Ophichthus remiger
Palabras clave:
Bycatch, interactions and trap loss in the Ophichthus remiger shery in northern Peru
ABSTRACT. −−
Ophichthus remiger
Captura incidental, interacciones y pérdida de nasas en la pesquería de
Ophichthus remiger en el norte del Perú
12
3
123
Andrea Pasara-Polack
Rosa Vinatea-Chávez Karla Loza-Choque
Jorge Grillo-Núñez Marina Quiñe-Fernández
Marine and
Fishery Sciences
MAFIS
*
Marine and Fishery Sciences 39 (2): 213-235 (2026)
Ophi-
chthus remiger
Ophichthus remiger
Key words:
Pasara-Polack et al.: Interacciones y pérdida de nasas en la pesquería de O. remiger
La pesquería
3
Reinales
Tapa cónica móvil
Tubo cilíndrico de PVC
Tapa cónica fija
Figure 1. Diagram of the trap used for eel capture and its main components.
Marine and Fishery Sciences 39 (2): 213-235 (2026)
Muraena
Cynoponticus coniceps
Análisis de datos
=×
Colecta de datos
Pasara-Polack et al.: Interacciones y pérdida de nasas en la pesquería de O. remiger
Comparación de resultados generales entre los
sistemas
<
<
<
>
Análisis de congruencias en el reporte de espe-
cies entre ambos sistemas
Marine and Fishery Sciences 39 (2): 213-235 (2026)
=
= a
b
c
<
Descripción de viajes y datos colectados
±
±
Captura incidental
±
±
Crossata ventricosa
Cancer porteri
Platymera gaudichaudii
Thaisella chocolata
Muraena
Rhizoprionodon longurio
Pasara-Polack et al.: Interacciones y pérdida de nasas en la pesquería de O. remiger
Destino de la captura incidental
Merluccius gayi peruanus
Distribución espacial y batimétrica de la captu-
ra incidental
MuraenaM.
gayi peruanus
Figure 2. Location of shing hauls recorded by the eet associated with the Peruvian Association of Eel Producers (APPA) through
the Fishing Log System (SBP) between September 2022 and August 2023. The red line indicates the 200 m isobath that
marks the break of the continental shelf. Blue dots mark the positions of the hauls made.
Marine and Fishery Sciences 39 (2): 213-235 (2026)
Gymnothorax Platymera
Crossata Calappa
Crossata Calappa
Thaisella
Merluc-
cius Cancer
Genypterus
Interacciones con depredadores superiores
Otaria byronia Arctocephalus austra-
Rhizoprionodon longurio
Figure 4. Photographic record of the only report of longnose
shark between September
2022 and August 2023.
=
Figure 3. Percentage composition of incidental catch (n = 35,644.68 kg) recorded between September 2022 and August 2023.
Caracol gringo ()
Jaiba colorada ()
Crossata ventricosa
Cancer porteri
Jaiba paco
()
Caracol negro ()
Morena ( sp.)
Cangrejo puñete ()
Morena motas blancas
()
Otros
Platymera gaudichaudii
Thaisella chocolata
Muraena
Hepatus chiliensis
Gymnothorax equatorialis
14,2%
8,2%
8,7%
9,5%
9,7% 11,1%
14%
24,6%
35.644,68 kg
Pasara-Polack et al.: Interacciones y pérdida de nasas en la pesquería de O. remiger 221
Figure 5. Species composition in the incidental catch according to latitudinal distribution between September 2022 and August 2023.
Table 1. Destination of incidental catch species in volume (kg) recorded in the eet associated with the Peruvian Association of Eel
Producers (APPA) through the Fishing Logbook System (SBP), between September 2022 and August 2023. V: destination
released live; M: destination returned dead; O: other (consumption).
I
Crossata ventricosa
Cancer porteri
Platymera gaudichaudii
Thaisella chocolata
Muraena
Hepatus chiliensis
Gymnothorax equatorialis
Merluccius gayi peruanus
Calappa
Cancer
Crossata
Diplectrum
Genypterus
Gymnothorax
Merluccius
Muraena
Platymera
Thaisella
Others
Latitud (°S)
-3,5 -4,0 -4,5 -5,0 -5,5 -6,0 -6,50
100
75
50
25
0
Riqueza de especies (%)
Marine and Fishery Sciences 39 (2): 213-235 (2026)
222
lis
=
=
0-90
0
Riqueza de especies (%)
91-180 181-360 361-550
Profundidad (m)
10
20
Figure 7. Relative composition of species in the incidental catch according to the bathymetric stratum, recorded between September
2022 and August 2023
Figure 6. Genus richness in incidental catch according to bathymetric stratum, recorded between September 2022 and August 2023.
Calappa
Cancer
Crossata
Genypterus
Gymnothorax
Merluccius
Platymera
Thaisella
Others
100
75
50
25
0
Riqueza de especies (%)
0-90 91-180 181-360 361-550
Profundidad (m)
Pasara-Polack et al.: Interacciones y pérdida de nasas en la pesquería de O. remiger 223
Procellaria aequinoctialis
Phoebas-
tria irrorata)
P. irrorata
P. aequinoctialis
Pérdida de nasas
=
=
=
=
=
Fregata magnicens
Pelecanus thagus
Figure 8. Continuous map of species richness in incidental catch by bathymetric stratum (m), recorded by the eet belonging to
the Peruvian Association of Eel Producers (APPA) through the Fishing Logbook System (SBP), between September 2022
and August 2023.
Marine and Fishery Sciences 39 (2): 213-235 (2026)
Comparación entre los sistemas de monitoreo
>
=
=
>
Table 2. Number of throws, total individuals and type of interaction (ying, feeding and entangled) of sea lions and seabirds
recorded in the Fishing Log System (SBP) between September 2022 and August 2023.
s
Otaria byronia
Arctocephalus australis
Fregata magnicens
Pelecanus thagus
Procellaria aequinoctialis
Phoebastria irrorata
Ardenna grisea
Larosterna inca
Pasara-Polack et al.: Interacciones y pérdida de nasas en la pesquería de O. remiger
=
<
>
Congruencias en el reporte de especies entre am-
bos sistemas
Marine and Fishery Sciences 39 (2): 213-235 (2026)
C. porteri
C. ventricosa
Gymnothorax equatorialis
<
>
Table 3. Results of the dierence (Wilcoxon test), agreement (intraclass correlation coecient, ICC) and precision (Bland-Alt-
man) analyses between the records of the Fishing Log System (SBP) and the On-Board Observer System (SOB), between
September 2022 and August 2023.
Pasara-Polack et al.: Interacciones y pérdida de nasas en la pesquería de O. remiger
>
M. gayi peruanus
Prionotus stephanophrys
C. ventricosa
MureanaHepatus
chiliensisP. gaudichaudiiC.
coniceps
Table 4. Global agreement in the recording of incidental catch species between the Fishing Logbook System (SBP) and the On-
Board Observer System (SOB), between September 2022 and August 2023.
Marine and Fishery Sciences 39 (2): 213-235 (2026)
R. longu-
rio
T.chocolata
<
Pasara-Polack et al.: Interacciones y pérdida de nasas en la pesquería de O. remiger
F. magnicens
P. irrorata
P. aequinoctialis
Marine and Fishery Sciences 39 (2): 213-235 (2026)
>
=
Pasara-Polack et al.: Interacciones y pérdida de nasas en la pesquería de O. remiger 231
Conicto de interés
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Marine and Fishery Sciences 39 (2): 213-235 (2026)
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