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SUMMARY POSTED BY JEFFREY GALLANT (GEERG) ON TUESDAY JULY 14 AT 03:00 AM.

After making minor repairs on one of our boats, meeting staff at the Quebec Aquarium, and doing several news interviews on the road, we finally arrived at Explos-Nature in the village of Bergeronnes at 6 pm. We immediately departed for Anse-de-Roche, a small community on the Saguenay Fjord, a perpetually dark marine environment where the Greenland shark has often been captured in the dead of winter.


PHOTO: Crossing the Saguenay Fjord near Tadoussac.
Photo © GEERG / Jeffrey Gallant / All Rights Reserved

The main objective of the dive which started at sunset, was to document some of the sea life sharing this unique ecosystem with the Greenland shark (Species observed are listed below).

We were very surprised to observe an Atlantic halibut (Hippoglossus hippoglossus) - one of the Greenland shark's favourite prey items in the Saguenay and St. Lawrence. We also encountered several basket stars (Gorgonocephalus sp.) to the great joy of teammember Blaise. The Atlantic halibut and the basket star are both species that are normally found at great depth, often beyond the normal range of scuba divers.

PHOTO: Sunset on the Saguenay Fjord at l'Anse-de-Roche. Photo © GEERG / Jeffrey Gallant / All Rights Reserved

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PHOTO: Chris Harvey-Clark (GEERG / UBC) and Blaise Barrette (ROSM) at the start of our dive in the Saguenay Fjord. Video image © GEERG / Jeffrey Gallant / All Rights Reserved

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PHOTO: Blaise Barrette (ROSM) and a basket star (Gorgonocephalus sp.) at Anse-de-Roche in the Saguenay Fjord. Video image © GEERG / Jeffrey Gallant / All Rights Reserved.

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PHOTO: Basket star (Gorgonocephalus sp.) at Anse-de-Roche in the Saguenay Fjord. Video image © GEERG / Jeffrey Gallant / All Rights Reserved.

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PHOTO: Atlantic halibut (Hippoglossus hippoglossus) at Anse-de-Roche in the Saguenay Fjord. Video image © GEERG / Jeffrey Gallant / All Rights Reserved.

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Air Temperature: 20°C (68 F)
Water Temperature: 15.5°C (60 F) above thermohalocline / 7°C (44 F) below thermohalocline
Waves: 0 m (0 ft)
Wind: 10 km/h (6.2 mph)
High Tide : 19h30
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GEERG is an institutional member of the Canadian Association for Underwater Science (CAUS) and thus conducts its diving operations in compliance with the CAUS Standard of Practice.


Location: Anse-de-Roche (Saguenay Fjord)
Dive Team: Barrette, Gagnon, Gallant, Harvey-Clark
Start: 20:30
Finish: 21:20
Bottom Time: 50 min.
Max Depth: 20 m (70 ft)
Thermohalocline: 10 m (32 ft)
Visibility (Underwater): 10+ m (30+ ft)

Objective(s): Get images of typical Greenland shark prey, as well as cephalopods and basket stars.

No cephalopods observed.


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Version française

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