Active Forum Topics

Bycatch reduction devices (BRDs) to reduce the incidental catch of cuttlefish in the Spencer Gulf prawn fishery

Study Type
Field study in the wild
Location
Spencer Gulf
Target catch
Prawn
Effect on bycatch species
Small and large grids reduced number and weight of cuttlefish and crabs
Effect on target catch
Small grid caught less prawns compared to large grid and control nets
Bycatch species
Invertebrates
Reduction technique
Excluder devices
Fishing Gear
Trawls

Bycatch reduction devices (BRDs) to reduce the incidental catch of cuttlefish in the Spencer Gulf prawn fishery

Study Type
Field study in the wild
Location
Spencer Gulf
Target catch
Prawn
Effect on bycatch species
Small and large grids reduced number and weight of cuttlefish and crabs
Effect on target catch
Small grid caught less prawns compared to large grid and control nets
Bycatch species
Invertebrates
Reduction technique
Excluder devices
Fishing Gear
Trawls

Bycatch reduction devices (BRDs) to reduce the incidental catch of cuttlefish in the Spencer Gulf prawn fishery

Study Type
Field study in the wild
Location
Spencer Gulf
Target catch
Prawn
Effect on bycatch species
Small and large grids reduced number and weight of cuttlefish and crabs
Effect on target catch
Small grid caught less prawns compared to large grid and control nets
Bycatch species
Invertebrates
Reduction technique
Excluder devices
Fishing Gear
Trawls

Quantitative analysis of the behavior of longfing inshore squid (Doryteuthis pealeii) in reaction to a species of separation grid of an otter trawl

Study Type
Field study in the wild
Location
Cape Cod, Massachusetts
Target catch
Squid
Effect on bycatch species
None reported
Effect on target catch
Squid were able to actively avoid the grid
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Quantitative analysis of the behavior of longfing inshore squid (Doryteuthis pealeii) in reaction to a species of separation grid of an otter trawl

Study Type
Field study in the wild
Location
Cape Cod, Massachusetts
Target catch
Squid
Effect on bycatch species
None reported
Effect on target catch
Squid were able to actively avoid the grid
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Quantitative analysis of the behavior of longfing inshore squid (Doryteuthis pealeii) in reaction to a species of separation grid of an otter trawl

Study Type
Field study in the wild
Location
Cape Cod, Massachusetts
Target catch
Squid
Effect on bycatch species
None reported
Effect on target catch
Squid were able to actively avoid the grid
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Examining the potential use of artificial illumination to enhance Chinook salmon escapement out a bycatch reduction device in a Pacific hake midwater trawl

Study Type
Field study in the wild
Location
Oregon
Target catch
Pacific hake
Effect on bycatch species
Chinook were able to escape out of the escape window; Rockfish bycatch was reduced by 32.4%
Effect on target catch
Pacific hake continued to swim into the codend
Bycatch species
Bony Fishes
Reduction technique
Visual deterrents
Fishing Gear
Trawls

Examining the potential use of artificial illumination to enhance Chinook salmon escapement out a bycatch reduction device in a Pacific hake midwater trawl

Study Type
Field study in the wild
Location
Oregon
Target catch
Pacific hake
Effect on bycatch species
Chinook were able to escape out of the escape window; Rockfish bycatch was reduced by 32.4%
Effect on target catch
Pacific hake continued to swim into the codend
Bycatch species
Bony Fishes
Reduction technique
Visual deterrents
Fishing Gear
Trawls

Examining the potential use of artificial illumination to enhance Chinook salmon escapement out a bycatch reduction device in a Pacific hake midwater trawl

Study Type
Field study in the wild
Location
Oregon
Target catch
Pacific hake
Effect on bycatch species
Chinook were able to escape out of the escape window; Rockfish bycatch was reduced by 32.4%
Effect on target catch
Pacific hake continued to swim into the codend
Bycatch species
Bony Fishes
Reduction technique
Visual deterrents
Fishing Gear
Trawls

Initial tests of a bycatch reduction device designed to improve trawl selectivity in the west coast limited entry groundfish bottom trawl directed flatfish fishery

Study Type
Field study in the wild
Location
US West Coast
Target catch
Flatfish
Effect on bycatch species
72.1% of rockfish, 96.5% of roundfishes and 93.7% of Pacific halibut were able to escape
Effect on target catch
85.1% of flatfish were retained
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Initial tests of a bycatch reduction device designed to improve trawl selectivity in the west coast limited entry groundfish bottom trawl directed flatfish fishery

Study Type
Field study in the wild
Location
US West Coast
Target catch
Flatfish
Effect on bycatch species
72.1% of rockfish, 96.5% of roundfishes and 93.7% of Pacific halibut were able to escape
Effect on target catch
85.1% of flatfish were retained
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Initial tests of a bycatch reduction device designed to improve trawl selectivity in the west coast limited entry groundfish bottom trawl directed flatfish fishery

Study Type
Field study in the wild
Location
US West Coast
Target catch
Flatfish
Effect on bycatch species
72.1% of rockfish, 96.5% of roundfishes and 93.7% of Pacific halibut were able to escape
Effect on target catch
85.1% of flatfish were retained
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Testing of an industry-designed bycatch reduction device to reduce the incidental catch of Pacific halibut in a groundfish bottom trawl fishery

Study Type
Field study in the wild
Location
US West Coast
Target catch
Flatfish
Effect on bycatch species
83.7% (weight) and 74.3% (number) of Pacific halibut were able to escape
Effect on target catch
93.3% of arrowtooth flounder, 99% of Dove sole, 96.9% of petrale sole, 96.9% of shortspine thronyhead and 90% of sablefish were retained
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Testing of an industry-designed bycatch reduction device to reduce the incidental catch of Pacific halibut in a groundfish bottom trawl fishery

Study Type
Field study in the wild
Location
US West Coast
Target catch
Flatfish
Effect on bycatch species
83.7% (weight) and 74.3% (number) of Pacific halibut were able to escape
Effect on target catch
93.3% of arrowtooth flounder, 99% of Dove sole, 96.9% of petrale sole, 96.9% of shortspine thronyhead and 90% of sablefish were retained
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Testing of an industry-designed bycatch reduction device to reduce the incidental catch of Pacific halibut in a groundfish bottom trawl fishery

Study Type
Field study in the wild
Location
US West Coast
Target catch
Flatfish
Effect on bycatch species
83.7% (weight) and 74.3% (number) of Pacific halibut were able to escape
Effect on target catch
93.3% of arrowtooth flounder, 99% of Dove sole, 96.9% of petrale sole, 96.9% of shortspine thronyhead and 90% of sablefish were retained
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Mitigating the bycatch of giant cuttlefish Sepia apama and blue swimmer crabs Portunus armatus in an Australian penaeid-trawl fishery

Study Type
Field study in the wild
Location
Spencer Gulf
Target catch
King prawn
Effect on bycatch species
Reduced capture of giant cuttlefish and blue swimmer crabs by 30-50%
Effect on target catch
Catch of target species was not affected
Bycatch species
Invertebrates
Reduction technique
Excluder devices
Fishing Gear
Trawls

Mitigating the bycatch of giant cuttlefish Sepia apama and blue swimmer crabs Portunus armatus in an Australian penaeid-trawl fishery

Study Type
Field study in the wild
Location
Spencer Gulf
Target catch
King prawn
Effect on bycatch species
Reduced capture of giant cuttlefish and blue swimmer crabs by 30-50%
Effect on target catch
Catch of target species was not affected
Bycatch species
Invertebrates
Reduction technique
Excluder devices
Fishing Gear
Trawls

Mitigating the bycatch of giant cuttlefish Sepia apama and blue swimmer crabs Portunus armatus in an Australian penaeid-trawl fishery

Study Type
Field study in the wild
Location
Spencer Gulf
Target catch
King prawn
Effect on bycatch species
Reduced capture of giant cuttlefish and blue swimmer crabs by 30-50%
Effect on target catch
Catch of target species was not affected
Bycatch species
Invertebrates
Reduction technique
Excluder devices
Fishing Gear
Trawls
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