1
RESUMEN.
Dosidicus gigas
Pteroplatytrygon violacea
Mobula birostrisPrionace glaucaAlopias pelagicus
Carcharhinus falciformisA. superciliosusIsurus oxyrinchus
Oceanites gracilisProcellaria parkinsoni
Del-
phinusChelonia mydas Lepidochelys
olivaceaCaretta carettaDermochelys coriacea
Palabras clave:
Vulnerable species associated with surface longline shing in Ecuadorian mother ships
ABSTRACT.
Dosidicus gigas
Pteroplatytrygon violaceaMobula birostris
Prionace glaucaAlopias pelagicusCarcharhinus falciformisA. superciliosus
Isurus oxyrinchus
Oceanites
gracilisProcellaria parkinsoni
Especies vulnerables asociadas a la pesca con palangre de supercie en
barcos nodrizas ecuatorianos
1
1
Daniel Soriano Richard Duque
Marco Herrera René Zambrano
Marine and
Fishery Sciences
MAFIS
Marine and Fishery Sciences 38 (2): xxx-xxx (2025)
Coryphaena hippurus
Xiphias gladius Thunnus
albacares T. obesus Makaira nigricans
C. hippurus
ThunnusM.
nigricans Kajikia audax Stiophorus platypterus
X. gladius
DelphinusChelonia mydas
Lepidochelys olivaceaCaretta carettaDermochelys coriacea
Key words:
Soriano et al.: Especies vulnerables en la pesca con palangre
Alopias pelagicus A. super-
ciliosus Carcharhinus falciformis C. longimanus
Pteroplatytrygon violaceaChe-
lonia mydas Lepidochelys olivacea
Figure 1. Fishing sites of mother vessels using surface longlines inside and outside Ecuador Exclusive Economic Zone (EEZ)
grouped by year.
Marine and Fishery Sciences 38 (2): xxx-xxx (2025)
Do-
sidicus gigasAuxis
Auxis
Opisthonema
Alosa pseudoharengusPrionace glauca
A. pelagi-
cusC. falciformisP. glauca
A. pelagicusC. falciformisP.
glauca
A. pelagicusC. falciformis
A. superciliosusIsurus oxyrinchus
P. violacea
Mobula birostris Prionace glauca
A. pelagicusC. falciformisA. superciliosusI.
oxyrinchus.
Alopias pelagicusP. glauca
A. pelagicus
A. superciliosus
A. vulpinus C. longimanus Galeocerdo cuvier
Pseudocarcharias kamoharai Rhincodon typus
Sphyrna lewiniMobula biros-
trisP. violacea
r<
Soriano et al.: Especies vulnerables en la pesca con palangre
Alopias pelagicusP. glauca
Isurus oxyrinchus
C.
falciformis
A. pelagicusC. falciformis
P. glauca
A. superciliosusI. oxyrinchus
Oceanites gracilisProcellaria parkinsoni
Ardea albaArdenna creatopus
Fregata minor Larus atricilla Oceanites oceani-
cus Oceanodroma leucorhoa O. microsoma Pele-
canus occidentalis Sterna hirundo Sula dactylatra
S. leucogaster S. nebouxii
Del-
phinus
Table 1. Percentage of chondrichthyans in the annual catch of Ecuadorian motherships. Months with vessel records, total sets,
average longline depth, and hooks of Ecuadorian motherships by hook type are included.
Marine and Fishery Sciences 38 (2): xxx-xxx (2025)
Table 2. Number (n) of sets with incidence and proportion of sharks corresponding to the longline eet of Ecuadorian mother ships.
Alopias pelagicus
Alopias superciliosus
Carcharhinus falciformis
Isurus oxyrinchus
Prionace glauca
Alopias pelagicus
Alopias superciliosus
Alopias vulpinus
Carcharhinus falciformis
Soriano et al.: Especies vulnerables en la pesca con palangre
Chelo-
nia mydasL. olivacea
Caretta carettaDermochelys
coriacea
Carcharhinus galapagensis
Carcharhinus limbatus
Carcharhinus longimanus
Galeocerdo cuvier
Isurus oxyrinchus
Isurus paucus
Mobula birostris
Prionace glauca
Pseudocarcharias kamoharai
Pteroplatytrygon violacea
Rhincodon typus
Sphyrna lewini
Sphyrna zygaena
Table 2. Continued.
Marine and Fishery Sciences 38 (2): xxx-xxx (2025)
Figure 2. Relationship between the number of hooks used and the number of sharks caught by the Ecuadorian mother ship longline
eet in the period 2019-2023 by “C” and “J” hook types.
Figure 3. Variation in the incidence of sharks caught annually by the Ecuadorian mothership longline eet.
Soriano et al.: Especies vulnerables en la pesca con palangre
Table 3. Number of species incident in the operations of the Ecuadorian mother ship longline eet by hook type.
Ardenna griseus
Creagrus furcatus
Fregata magnicens
Fregata minor
Leucophaeus atricilla
Oceanites gracilis
Phoebastria irrorata
Procellaria parkinsoni
Pterodroma phaeopygia
Punus griseus
Sula granti
Sula sula
Ardea alba
Ardenna creatopus
Ardenna griseus
Chroicocephalus ridibundus
Creagrus furcatus
Fregata magnicens
Fregata minor
Leucophaeus atricilla
Leucophaeus pipixcan
Oceanites gracilis
Oceanites oceanicus
Oceanodroma leucorhoa
Oceanodroma microsoma
Pelecanus occidentalis 1
Phoebastria irrorata
Procellaria parkinsoni
Sterna hirundo
Sula dactylatra
Sula granti
Sula leucogaster 1
Sula nebouxii
Marine and Fishery Sciences 38 (2): xxx-xxx (2025)
=
bycatch
P. violacea
Alopias pelagicusP. glauca
A. pelagicus P. glauca
Sula sula
Sula variegata
Xema sabini
Delphinus delphis
Delphinus
Stenella attenuata
Stenella longirostris
Tursiops truncatus
Caretta caretta
Chelonia mydas
Dermochelys coriacea
Eretmochelys imbricata
Lepidochelys olivacea
Table 3. Continued.
Soriano et al.: Especies vulnerables en la pesca con palangre 11
P. glauca I. oxyrinchus A. vulpinus
Figure 4. Biplot of variables related to landings of vulnerable species by the Ecuadorian mother ship longline eet for the period
2019-2023.
Marine and Fishery Sciences 38 (2): xxx-xxx (2025)
P. parkinsoni
Sula
C. mydasL. oli-
vacea
Soriano et al.: Especies vulnerables en la pesca con palangre
Conicto de interés
Contribución de autores
Dasyatis
guttata
Coryphaena
hippurus
Marine and Fishery Sciences 38 (2): xxx-xxx (2025)
vs.
Dissostichus eleginoides
