Bony Fishes

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Comparison of bycatch species captured during daytime and nighttime: preliminary results of longline experiments carried out in the Seychelles waters

Study Type:

Summary study

Location:

Seychelles

Target catch:

swordfish and tuna

Effect on bycatch species:

All marketable species were caught in the 150 m layer during day and night sets.

Effect on target catch:

Differences in the species composition, quantity and depth of capture for bycatch species

Article:

Comparison of bycatch species captured during daytime and nighttime: preliminary results of longline experiments carried out in the Seychelles waters

Bycatch species:

Fishing Gear:

Hooks-and-Lines

Reducing bycatch in coral reef trap fisheries: escape gaps as a step towards sustainability

Study Type:

Field study in the wild

Location:

Curacao

Target catch:

Groupers and snappers

Effect on bycatch species:

Short and tall gap traps reduced bycatch of bycatch fish by 74% and 80%, key herbivores by 58% and 50% and butterflyfish by 90% and 98%, respectively.

Effect on target catch:

Catches of high-value fish were not affected

Article:

Reducing bycatch in coral reef trap fisheries: escape gaps as a step towards sustainability

Bycatch species:

Bony Fishes

Reduction technique:

Trap-net modification

Fishing Gear:

Traps

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

Article:

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

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

Article:

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

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

An assessment of bycatch reduction devices in Kuwait's shrimp trawl fishery

Study Type:

Field study in the wild

Location:

Kuwait

Target catch:

Shrimp

Effect on bycatch species:

FE significantly reduced bycatch catches

Effect on target catch:

FE significantly reduced shrimp catches

Article:

An assessment of bycatch reduction devices in Kuwait's shrimp trawl fishery

Bycatch species:

Reduction technique:

Excluder devices

Fishing Gear:

Trawls

An assessment of bycatch reduction devices in Kuwait's shrimp trawl fishery

Study Type:

Field study in the wild

Location:

Kuwait

Target catch:

Shrimp

Effect on bycatch species:

SMT significantly reduced bycatch

Effect on target catch:

SMT caught significantly larger shrimp but not significantly fewer shrimp

Article:

An assessment of bycatch reduction devices in Kuwait's shrimp trawl fishery

Bycatch species:

Reduction technique:

Excluder devices

Fishing Gear:

Trawls

An assessment of bycatch reduction devices in Kuwait's shrimp trawl fishery

Study Type:

Field study in the wild

Location:

Kuwait

Target catch:

Shrimp

Effect on bycatch species:

TED use resulted in no interactions with sea turtles or large animals; did not significantly reduce bycatch catches

Effect on target catch:

Did not significantly reduce shrimp catches

Article:

An assessment of bycatch reduction devices in Kuwait's shrimp trawl fishery

Bycatch species:

Reduction technique:

Excluder devices

Fishing Gear:

Trawls

Challenges of estimating post-release mortality of istiophorid billfishes caught in the recreational fishery: A review

Study Type:

Summary study

Effect on bycatch species:

High speed trolling with J hooks and artificial bait and slow trolling with circle hooks and natural bait resulted in less internal hooking, tissue damage and increase post release survival.