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Demersal and pelagic species of fish and squid from the Patagonian shelf

Citation

Eder E B, Marin M R, Lewis M N (2015): Demersal and pelagic species of fish and squid from the Patagonian shelf. v1.7. ArOBIS Centro Nacional Patagónico. Dataset/Samplingevent. http://arobis.cenpat-conicet.gob.ar:8081/resource?r=argentina-fishes&v=1.7 https://doi.org/10.15468/pszrsf accessed via GBIF.org on 2022-05-25.

Description

Dataset containing 2007 records of occurrence of 39 species of fish and 2 species of squid distributed on the Patagonian continental shelf and slope. This dataset describes a new and revised version of the original data published through OBIS and contains individual morphometrics. Specimens are representative of pelagic, demersal, demersal-pelagic, demersal-benthic and benthic habits and they were collected by commercial fishing vessels in autumn (May-June, 2001, 51 catches), winter (July-August, 2001, 38 catches) and summer (January-February, 2002, 112 catches). The sampling was carried out with bottom trawls at a depth range of 73-370 m. The survey was located between 39° - 52° S and 55° - 65° W. / Conjunto de datos con 2007 registros morfometricos de 39 especies de peces y 2 especies de calamares de la plataforma y talud continental patagónicos. Este conjunto de datos describe una nueva versión de los datos originales publicados a través de OBIS y contiene datos de morfometría individual.Los especimenes representan organismos de hábitos pelágico, demersal, demersal-pelágico, demersal-bentónico y bentónico y fueron recolectados por barcos comerciales en otoño (Mayo-Junio 2001, 51 lances de captura), invierno (Julio-Agosto 2001, 38 lances de captura) y en verano (enero-febrero 2002, 112 lances de captura). El muestreo fue llevado a cabo con redes de arrastre a un rango de profundidad de 73-370 m. El área relevada se localizó entre 39° - 52° S y los 55° - 65° O.

Sampling Description

Study Extent

The sampling area was located on the Patagonian Continental Shelf, in the Atlantic margin of South America, within -52 to -39 ºS and -65 to -55 ºW. The depth range of the sampling was 73-370 m.

Sampling

Specimens of fish and squid (commercial target and by catch) were taken daily by commercial fishing vessels operating with bottom trawls during autumn (May-June, 2001, 51 catches), winter (July-August, 2001, 38 catches) and summer (January-February, 2002, 112 catches). The fishing company provided the associated data of each fishing haul: date, hour and location decimal Latitude and Longitude of the position while pulling the net) and depth of the catch (the maximum depth reached by the net). Specimens were frozen on board,and identified at species level at the Ichthyology laboratory of Centro Nacional Patagonico, Puerto Madryn, Argentina. The taxonomical identification of species was made by the specialists Dr. A. Gosztonyi and Dr. M. Re and the scientific names and their current accurate spelling were also reviewed using suitable literature (Brunetti et al., 1998; Cousseau and Perrotta, 2013) and the WoRMS web site(http://www.marinespecies.org/). Sex (when possible) and morphometric measures were taken for each specimen: wet mass (g) and wet mass of viscera (g, empty stomach); total and standard length (cm) for fish; mantle, head and fin length and width (cm) for squid; left and right fin length (cm) and maximum fin width (cm) for skates.

Quality Control

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Method steps

  1. Step1: Sampling locality and depth were recorded in each season. Step2: Specimens were sent to the lab for species and sex identification and morphometric measurements.

Additional info

marine, harvested by iOBIS

Taxonomic Coverages

All specimens were identified to species level. The dataset included 39 marine species of fish, representative of half the best known fish species from the Argentine continental shelf (55.7 %, Cosseau and Perrota 2013), and 2 species of squid, that were captured during three seasons, autumn (May-June, 2001), winter (July-August, 2001) and summer (January-February, 2002). Autumn and summer records presented a high diversity of species (80.5 and 78 %, respectively), while only 46% of the species were present in winter
  1. Squalus acanthias
    common name: piked dogfish
  2. Schroederichthys bivius
    common name: Narrowmouthed catshark
  3. Discopyge tschudii
    common name: Apron ray
  4. Dipturus chilensis
    common name: yellownose skate
  5. Psammobatis scobina
    common name: raspthorn sand skate
  6. Psammobatis normani
    common name: shortfin sand skate
  7. Bathyraja brachyurops
    common name: broadnose skate
  8. Bathyraja macloviana
    common name: patagonian skate
  9. Bathyraja scaphiops
    common name: Cuphead Skate
  10. Callorhynchus callorhynchus
    common name: elephant fish
  11. Bassanago albescens
    common name: hairy conger
  12. Salilota australis
    common name: patagonian cod
  13. Austrophycis marginata
  14. Micromesistius australis
    common name: southern blue whiting
  15. Macruronus magellanicus
    common name: longtail hake
  16. Merluccius australis
    common name: southern hake
  17. Merluccius hubbsi
    common name: argentine hake
  18. Coelorhynchus fasciatus
    common name: grenadier
  19. Genypterus blacodes
    common name: pink cuskeel
  20. Sebastes oculatus
    common name: patagonian redfish
  21. Prionotus nudigula
    common name: atlantic searobin
  22. Congiopodus peruvianus
    common name: horsefish
  23. Cottunculus granulosus
    common name: fathead
  24. Acanthistius brasilianus
    common name: Argentine seabass
  25. Brama brama
    common name: Atlantic pomfret
  26. Iluocoetes fimbriatus
  27. Cottoperca gobio
    common name: Channel bull blenny
  28. Parona signata
    common name: parona leatherjack
  29. Nemadactylus bergi
    common name: hawkfish
  30. Dissostichus eleginoides
    common name: patagonian toothfish
  31. Patagonotothen ramsayi
    common name: Longtail southern cod
  32. Pseudopercis semifasciata
    common name: brasilian sandperch
  33. Scomber japonicus
    common name: chub mackerel
  34. Seriolella punctata
    common name: silver warehou
  35. Stromateus brasiliensis
    common name: butterfish
  36. Paralichthys patagonicus
    common name: patagonian flounder
  37. Mancopsetta maculata
    common name: flounder
  38. Illex argentinus
    common name: Argentine shortfin squid
  39. Moroteuthis ingens
    common name: greater hooked squid

Geographic Coverages

The argentine continental shelf, in the Atlantic margin of South America, is bounded by the line of the coast and the continental slope and is the most extensive submerged plain in the world, with an area of 930.000 km2 (Cousseau and Perrotta, 2013). It is characterized by gentle slopes and low-relief. The shelf waters are of sub-Antarctic origin diluted by continental flows and modified by exchanges of mass and heat with the atmosphere. The main distribution of the species of this dataset is: • The internal and external sectors of the shelf off the Province of Buenos Aires (35° S) to Patagonia (48° S). • The southern part of the Patagonian-Fuegian shelf and Malvinas/Falkland Islands, along the outer shelf to the North, up to approximately 42° S. • Deeper waters near the continental slope.

Bibliographic Citations

  1. Bastida R., Rodriguez D. (2005) Marine Mammals of Patagonia and Antarctica. Vazquez Mazzini, Buenos Aires. -
  2. Brunetti N.E., Ivanovic M.L., Beatriz E.(1998) Calamares Omastréfidos (Cephalopoda, Omastrephidae). In: Boschi EE (ed) El Mar Argentino y sus recursos pesqueros, Tomo 2. Los moluscos de interés pesquero: cultivos y estrategias reproductivas de bivalvos y equinoideos. Contribución Instituto Nacional de Investigación y Desarrollo Pesquero No. 1044, Mar del Plata, Argentina. -
  3. Campagna C., Croxall J. (2003) Application of the landscape species approach to the Patagonian Large Marine Ecosystem (The Sea and Sky Project). UICN-WPC, Durban -
  4. Carreto J.I., Lutz V.A., Carignan M.O., Cucchi Colleoni A.D., De Marco S.G. (1995) Hydrography and chlorophyll-a in the transect from the coast to the shelf break in the Argentinean Sea. Cont Shelf Res 15:315–336 -
  5. Cosseau M.B., Perrota G. (2013) Peces marinos de Argentina. Biología, distribución, pesca. Instituto Nacional de Investigación y Desarrollo Pesquero, Mar del Plata, Argentina -
  6. Croxall J.P., Wood A.G. (2002) The importance of the Patagonian Shelf to top predator species breeding at South Georgia. Aquat Conserv 12:101–118 - DOI:10.1002/aqc.480
  7. Eder E. (2003). Calidad de Calidad de la dieta del elefante marino del sur, Mirounga leonina, en Patagonia. Tesis de Licenciatura, Universidad Nacional de la Patagonia, San Juan Bosco, Chubut, Argentina. -
  8. Eder E., Lewis M. (2005). Proximate composition and energy value of demersal and pelagic prey species from Southwest Atlantic. Marine Ecology Progress Series (MEPS) 291:43-52 - doi:10.3354/meps291043
  9. Lewis R., O’Connell T.C., Lewis M., Campagna C., Hoelzel R. (2006) Sex-specific foraging strategies and resource partitioning in the southern elephant seal (Mirounga leonina). Proceedings of the Royal Society: Biological Series B 273 (1603), 2901–2907. - doi: 10.1098/rspb.2006.3642
  10. Winberg G.C. (1971) Methods for estimation of production of aquatic animals. Academic Press, New York -
  11. Podesta G.P., Brown O.B., Evans R.H. (1991) The annual cycle of satellite-derived sea surface temperature in the Southwestern Atlantic Ocean. Am Meteorol Soc 4:457–467 -

Contacts

Elena Beatriz Eder
originator
position: Researcher
CESIMAR-CENPAT-CONICET
Bv. Almirante Brown 2915
Puerto Madryn
U9120ACD
Chubut
AR
Telephone: +54 280 4883184 (int. 1206)
email: eder@cenpat-conicet.gob.ar
María Rosa Marin
originator
position: Professional support to research
CESIMAR-CENPAT-CONICET
Bv. Almirante Brown 2915
Puerto Madryn
U9120ACD
Chubut
AR
Telephone: +54 0280 488 3184 (int. 1202)
email: marin@cenpat-conicet.gob.ar
Mirtha N. Lewis
originator
position: Researcher
CESIMAR-CENPAT-CONICET
Bv. Almirante Brown 2915
Puerto Madryn
U9120ACD
Chubut
AR
Telephone: +54 0280 488 3184 (int. 1202)
email: mirtha@cenpat-conicet.gob.ar
Elena B. Eder
metadata author
position: Researcher
CESIMAR-CENPAT-CONICET
Bv. Almirante Brown 2915
Puerto Madryn
U9120ACD
Chubut
AR
Telephone: +54 280 4883184 (int. 1206)
email: eder@cenpat-conicet.gob.ar
María Rosa Marin
metadata author
position: Professional support to research
CESIMAR-CENPAT-CONICET
Bv. Almirante Brown 2915
Puerto Madryn
U9120ACD
Chubut
AR
Telephone: +54 280 4883184 (int. 1202)
email: marin@cenpat-conicet.gob.ar
Mirtha N. Lewis
metadata author
position: Researcher
CESIMAR-CENPAT-CONICET
Bv. Almirante Brown 2915
Puerto Madryn
U9120ACD
Chubut
AR
Telephone: +54 280 4883184 (int. 1242)
email: mirtha@cenpat-conicet.gob.ar
María Rosa Marin
administrative point of contact
position: Professional support to research
CESIMAR-CENPAT-CONICET
Bv. Almirante Brown 2915
Puerto Madryn
U9120ACD
Chubut
AR
Telephone: +54 280 4883184 (int. 1202)
email: marin@cenpat-conicet.gob.ar
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