Small Cetaceans (maximum length < 7.5 meters)

Displaying 1 - 10 of 74

Study Type: 

Summary study

Target catch: 

N/A

Effect on bycatch species: 

Net alarms do not appear ver effective in reducing small cetacean entanglements in gillnets

Effect on target catch: 

N/A

Article: 

Study Type: 

Field study in the wild

Location: 

Queensland, Australia

Target catch: 

Shark

Effect on bycatch species: 

The current net/pinger configuration is adequate for humpback whales, dugongs and dolphins swimming at normal travelling speeds. The current pinger spacing is insufficient for dolphins swimming straight at the net at high speeds.

Effect on target catch: 

N/A

Article: 

Study Type: 

Field study in the wild

Location: 

Galicia Spain

Target catch: 

Various

Effect on bycatch species: 

Substantial economic loss can occur from interactions between bottlenose dolphins and gillnets. Cetacean bycatch mortality highest for set gillnets.

Article: 

Study Type: 

Field study in the wild

Location: 

Portugal

Target catch: 

Sardine

Effect on bycatch species: 

Cetaceans were present during 16.9% of fishing events; encirclement led to common dolphin mortalities

Article: 

Study Type: 

Field study in the wild

Location: 

Italy

Target catch: 

Bony fish

Effect on bycatch species: 

None reported

Effect on target catch: 

Catch composition was different when dolphins attacked the net. Decrease in cuttlefish and red mullet and an increase in scorpionfish

Article: 

Study Type: 

Study in the lab

Location: 

Ariake Sound and Tachibana Bay

Target catch: 

Effect on bycatch species: 

Bycatch mortality will lead to at least a 29.6-86.3% decrease in the population size over three generations

Effect on target catch: 

Article: 

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