Small Cetaceans (maximum length < 7.5 meters)

Field Study 311

Study Type: 

wild

Location: 

North Sea

Target catch: 

Cod

Effect on bycatch species: 

Reduced catch rates from 0.00229 and 0.00295 for nets with dummy pingers and no pingers respectively, to 0.00015 for nets with active pingers

Effect on target catch: 

None reported

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

ant

Study Type: 

wild

Location: 

Western Australia

Target catch: 

red emperor, scarlet perch, spangled emperor, Rankin cod, blue spot emperor, rosy threadfin brea, flagfish, frypan snapper, red snapper and goldband snapper

Effect on bycatch species: 

Reduced dolphin bycatch by almost 50% and reduced bycatch of sea turtles, large sharks and large rays

Effect on target catch: 

Not reported

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

ant

Study Type: 

wild

Location: 

Turkey

Target catch: 

turbot fish

Effect on bycatch species: 

Reduced harbor porpoise interactions with gillnet

Effect on target catch: 

Use of pingers did not signficiantly affect catch rates or size of fish caught

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

wild

Location: 

North Carolina, USA

Target catch: 

Mixed

Effect on bycatch species: 

No difference on group size or closest approach to the net between active and control pingers

Effect on target catch: 

None

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

wild

Location: 

Mediterranean, Balearic Islands

Target catch: 

Red mullet

Effect on bycatch species: 

Reduced bottlenose dolphin (Tursiops truncatus) depredation

Effect on target catch: 

Increased target catch and reduced dolphin damage to the catch

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

wild

Location: 

Balearic Islands, Mediterranean Sea

Target catch: 

Mixed species

Effect on bycatch species: 

49% reduction in depredation rate by bottlenose dolphins (Tursiops truncatus)

Effect on target catch: 

Increased target catch (but not significant)

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Effects of pingers on the behaviour of bottlenose dolphins

Study Type: 

wild

Location: 

Shannon Estuary, Ireland

Target catch: 

not applicable

Effect on bycatch species: 

Change in behaviour of bottlenose dolphins (Tursiops truncatus) in boat based trials.

Effect on target catch: 

not applicable

Article: 

Reduction technique: 

Bycatch species: 

Pages