Eubalaena glacialis (NA Right whale)

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Behavioral impacts of disentanglement of a right whale under sedation and the energetic cost of entanglement

Study Type: 

Summary study

Location: 

US Atlantic

Target catch: 

N/A

Effect on bycatch species: 

Significant alteration to swimming patterns and the magnitude of energy depletion in a chronically entangled whale.

Effect on target catch: 

N/A

Article: 

Behavioral impacts of disentanglement of a right whale under sedation and the energetic cost of entanglement

Bycatch species: 

Fishing Gear: 

Fecal glucocorticoids and anthropogenic injury and mortality in North Atlantic right whales Eubalaena glaciallis

Study Type: 

Study in the lab

Location: 

US Atlantic

Target catch: 

N/A

Effect on bycatch species: 

fGCs in entangled whales and stranded whales were significantly higher than in whales killed by vessels and healthy whales.

Effect on target catch: 

N/A

Article: 

Fecal glucocorticoids and anthropogenic injury and mortality in North Atlantic right whales Eubalaena glaciallis

Bycatch species: 

Health of North Atlantic right whales Eubalaena glacialis over three decades: from individual health to demographic and population health trends

Study Type: 

Summary study

Location: 

US Atlantic

Target catch: 

N/A

Effect on bycatch species: 

The population health for all demographics declined over three generations. Calving females had significantly higher health scores than non-calving

Effect on target catch: 

N/A

Article: 

Health of North Atlantic right whales Eubalaena glacialis over three decades: from individual health to demographic and population health trends

Bycatch species: 

State-space mark-recapture estimates reveal a recent decline in abundance of North Atlantic right whales

Study Type: 

Summary study

Location: 

US Atlantic

Target catch: 

Multiple

Effect on bycatch species: 

The abundance of right whales has declined since 1990 and there has been a reduced survival rate for females compared to males

Effect on target catch: 

N/A

Article: 

State-space mark-recapture estimates reveal a recent decline in abundance of North Atlantic right whales

Bycatch species: 

Fishing Gear: 

Incremental fishing gear modifications fail to significantly reduce large whale serious injury rates

Study Type: 

Study in the lab

Location: 

US Atlantic

Target catch: 

Lobster

Effect on bycatch species: 

Annual entanglement rates increased between 1999 and 2009

Effect on target catch: 

n/a

Article: 

Incremental fishing gear modifications fail to significantly reduce large whale serious injury rates

Bycatch species: 

Fishing Gear: 

Fishing gear threat to right whales (Eubalaena glacialis) in Canadian waters and the risk of lethal entanglement

Study Type: 

Summary study

Location: 

Bay of Fundy and Scotian Shelf

Target catch: 

crab, hagfish, lobster

Effect on bycatch species: 

Lobster traps pose greatest threat during spring and summer migration periods (to/from Critical Habitat)

Effect on target catch: 

N/A

Article: 

Fishing gear threat to right whales (Eubalaena glacialis) in Canadian waters and the risk of lethal entanglement

Bycatch species: 

Fishing Gear: 

Fishing gear threat to right whales (Eubalaena glacialis) in Canadian waters and the risk of lethal entanglement

Study Type: 

Summary study

Location: 

Bay of Fundy and Scotian Shelf

Target catch: 

groundfish

Effect on bycatch species: 

Gillnets were determined as posing a considerable gear related threat (18% of total threat)

Effect on target catch: 

n/a

Article: 

Fishing gear threat to right whales (Eubalaena glacialis) in Canadian waters and the risk of lethal entanglement

Bycatch species: 

Fishing Gear: 

Fishing gear threat to right whales (Eubalaena glacialis) in Canadian waters and the risk of lethal entanglement

Study Type: 

Summary study

Location: 

Bay of Fundy and Scotian Shelf

Target catch: 

groundfish and pelagic species

Effect on bycatch species: 

Groundfish hook and line gear posed were determined to pose the greatest threat during summer resident period in Critical Habitat

Effect on target catch: 

na

Article: 

Fishing gear threat to right whales (Eubalaena glacialis) in Canadian waters and the risk of lethal entanglement

Bycatch species: 

Fishing Gear: 

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