Data

Northern Pelagic Shark Tagging Data 1983-1985 (releases), 1983-1997 (recaptures)

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/4980d04a-9329-4b16-a13d-03b96e6c8660&rft.title=Northern Pelagic Shark Tagging Data 1983-1985 (releases), 1983-1997 (recaptures)&rft.identifier=Anzlic Identifier: ANZCW0306005455&rft.publisher=Australian Ocean Data Network&rft.description=Between February 1983 and May 1985, some 10 500 sharks of 23 species were fin-tagged off northern Australia. Tagging concentrated on the commercially important Carcharhinus tilstoni and C. sorrah. Most recaptures were made in 1984 and 1985, but returns continued until May 1997. In all 579 tags (5.5%) were recovered. Tag shedding was estimated to be low (0.025 year1 for C. tilstoni) and tagging mortality was significantly lower for sharks caught by handline than by gillnet. Australian gillnetters, Taiwanese gillnetters (fishing in the Australian Fishing Zone) and Australian prawn trawlers accounted for most of the returns. The maximum distance between the release and recapture positions was over 1100 km, but most returns were made within 50 km of the tagging site. Nearly all of the releases were in inshore waters fished by Australian vessels. Although substantial numbers of recaptures were made by the offshore Taiwanese fishery, when fishing effort was considered, relatively few sharks appeared to move from inshore to offshore waters. This dataset contains the release and recapture information for all tag events and was collected as part of the CSIRO Northern Pelagic Fish Stock Research Project.Progress Code: completedMaintenance and Update Frequency: notPlannedStatement: Data source: original field data&rft.creator=Anonymous&rft.date=2000&rft.coverage=westlimit=121.5; southlimit=-19; eastlimit=146; northlimit=-9&rft.coverage=westlimit=121.5; southlimit=-19; eastlimit=146; northlimit=-9&rft_rights=Release with the permission of the custodian&rft_subject=oceans&rft_subject=Earth Science | Agriculture | Agricultural Aquatic Sciences | Fisheries&rft_subject=Earth Science | Biological Classification | Animals/Vertebrates&rft_subject=Earth Science | Biological Classification | Animals/Vertebrates | Fish&rft_subject=Earth Science | Biological Classification | Animals/Vertebrates | Fish | Sharks/Rays/Chimaeras&rft_subject=Earth Science | Biosphere | Aquatic Ecosystems | Pelagic Habitat&rft_subject=Earth Science | Biosphere | Ecological Dynamics | Species/Population Interactions | Migratory Rates/Routes&rft_subject=Gill Nets&rft_subject=Longlines&rft_subject=Tags and Tracking Devices&rft_subject=Coastal Waters (Australia) | Northern Territory Coast, NT&rft_subject=Coastal Waters (Australia) | Queensland Coast, QLD&rft_subject=Coastal Waters (Australia) | West Australia Coast North, WA&rft_subject=Marine Features (Australia) | Gulf of Carpentaria, NT/QLD&rft_subject=Regional Seas | Arafura Sea&rft_subject=Northern pelagic fish stock research (FIRTA project no. 83/49) 1983-1985&rft_subject=Carcharhinus amblyrhynchos&rft_subject=Carcharhinus amboinensis&rft_subject=Carcharhinus brevipinna&rft_subject=Carcharhinus coatesi&rft_subject=Carcharhinus fitzroyensis&rft_subject=Carcharhinus macloti&rft_subject=Carcharhinus sorrah&rft_subject=Carcharhinus tilstoni&rft_subject=Eusphyra blochii&rft_subject=Galeocerdo cuvier&rft_subject=Rhizoprionodon acutus&rft_subject=Rhizoprionodon taylori&rft_subject=Sphyrna lewini&rft_subject=Sphyrna mokarran&rft.type=dataset&rft.language=English Access the data
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Full description

Between February 1983 and May 1985, some 10 500 sharks of 23 species were fin-tagged off northern Australia. Tagging concentrated on the commercially important Carcharhinus tilstoni and C. sorrah. Most recaptures were made in 1984 and 1985, but returns continued until May 1997. In all 579 tags (5.5%) were recovered. Tag shedding was estimated to be low (0.025 year1 for C. tilstoni) and tagging mortality was significantly lower for sharks caught by handline than by gillnet. Australian gillnetters, Taiwanese gillnetters (fishing in the Australian Fishing Zone) and Australian prawn trawlers accounted for most of the returns. The maximum distance between the release and recapture positions was over 1100 km, but most returns were made within 50 km of the tagging site. Nearly all of the releases were in inshore waters fished by Australian vessels. Although substantial numbers of recaptures were made by the offshore Taiwanese fishery, when fishing effort was considered, relatively few sharks appeared to move from inshore to offshore waters. This dataset contains the release and recapture information for all tag events and was collected as part of the CSIRO Northern Pelagic Fish Stock Research Project.

Lineage

Progress Code: completed
Maintenance and Update Frequency: notPlanned
Statement: Data source: original field data

Notes

Credit
FRDC - funding
Credit
Tony Church
Credit
John Stevens
Credit
Stephanie Davenport
Credit
Peter Wiley
Credit
Glen Cuthbert
Credit
Grant West

Data time period: 1983-02 to 1997-05

This dataset is part of a larger collection

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146,-9 146,-19 121.5,-19 121.5,-9 146,-9

133.75,-14

text: westlimit=121.5; southlimit=-19; eastlimit=146; northlimit=-9

Subjects
Carcharhinus amblyrhynchos | Carcharhinus amboinensis | Carcharhinus brevipinna | Carcharhinus coatesi | Carcharhinus fitzroyensis | Carcharhinus macloti | Carcharhinus sorrah | Carcharhinus tilstoni | Coastal Waters (Australia) | Northern Territory Coast, NT | Coastal Waters (Australia) | Queensland Coast, QLD | Coastal Waters (Australia) | West Australia Coast North, WA | Earth Science | Agriculture | Agricultural Aquatic Sciences | Fisheries | Earth Science | Biological Classification | Animals/Vertebrates | Earth Science | Biological Classification | Animals/Vertebrates | Fish | Earth Science | Biological Classification | Animals/Vertebrates | Fish | Sharks/Rays/Chimaeras | Earth Science | Biosphere | Aquatic Ecosystems | Pelagic Habitat | Earth Science | Biosphere | Ecological Dynamics | Species/Population Interactions | Migratory Rates/Routes | Eusphyra blochii | Galeocerdo cuvier | Gill Nets | Longlines | Marine Features (Australia) | Gulf of Carpentaria, NT/QLD | Northern pelagic fish stock research (FIRTA project no. 83/49) 1983-1985 | Regional Seas | Arafura Sea | Rhizoprionodon acutus | Rhizoprionodon taylori | Sphyrna lewini | Sphyrna mokarran | Tags and Tracking Devices | oceans |

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Other Information
SharkTagData1983_1997.csv (Data Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=1007

Identifiers
  • Local : Anzlic Identifier: ANZCW0306005455
  • Local : Marlin Record Number: 5455
  • global : 4980d04a-9329-4b16-a13d-03b96e6c8660