John Fleng Steffensen
Professor
Marine Biological Section
University of Copenhagen

Exciting cruising with Disko Line from Qeqertarsuaq to Ilulissat June 2014.
5:50
Exciting cruising with Disko Line from Qeqertarsuaq to Ilulissat June 2014.
Atlantic bluefin tuna swimming slowly.
0:16
Atlantic bluefin tuna swimming slowly.
Greenland shark Heart recording 20210808 230001
30:43
Greenland shark Heart recording 20210808 230001
MBS Akva Room
0:42
MBS Akva Room
Ultrasound recording of large Greenland shark.
11:52
Ultrasound recording of large Greenland shark.
Esacpe respons of baitfish attacked by a predator - filmed @ Heron Island, Great Barrier Reef. # 2
0:16
Esacpe respons of baitfish attacked by a predator - filmed @ Heron Island, Great Barrier Reef. # 2
School of Baitfish keeping distance to a predator @ Heron Island Research Station, Grt Barrier Reef
0:08
School of Baitfish keeping distance to a predator @ Heron Island Research Station, Grt Barrier Reef
Fish Fast Esacpe response of baitfish attacked by larger predator: From Heron Island, Australia
0:16
Fish Fast Esacpe response of baitfish attacked by larger predator: From Heron Island, Australia
Mackerel VIDEO0002
0:26
Mackerel VIDEO0002
Greenland shark attracted to a baited video platform at a depth of 225 meters. Greenland May 2019.
4:48
Greenland shark attracted to a baited video platform at a depth of 225 meters. Greenland May 2019.
Greenland shark project Old And Cold - taking bait
0:34
Greenland shark project Old And Cold - taking bait
Greenland shark project Old And Cold - tag and release
8:07
Greenland shark project Old And Cold - tag and release
Lollipop Respirometer for measuring aquatic animal respiration:
0:15
Lollipop Respirometer for measuring aquatic animal respiration:
UW video from the muddy bottom at a depth of 30 meters north of Ven in Øresund, Denmark.
6:02
UW video from the muddy bottom at a depth of 30 meters north of Ven in Øresund, Denmark.
Nordsoen Oceanarium
3:42
Nordsoen Oceanarium
2 2017 08 05 16 41 20
15:00
2 2017 08 05 16 41 20
Fishlab Disturbed Tracking JFSteffensen 09 46 32 JFS
5:06
Fishlab Disturbed Tracking JFSteffensen 09 46 32 JFS
Greenland Shark 360 - wounded 420 cm long shark lifted on deck
3:46
Greenland Shark 360 - wounded 420 cm long shark lifted on deck
Greenland Shark 360 - releasing a 440 cm long monster shark II
3:20
Greenland Shark 360 - releasing a 440 cm long monster shark II
Greenland Shark 360 - releasing a 440 cm long monster shark
1:54
Greenland Shark 360 - releasing a 440 cm long monster shark
Greenland Shark 360 - problem entangling a shark from the longline
9:21
Greenland Shark 360 - problem entangling a shark from the longline
Greenland Shark 360 - Crusing in Bredefjord
2:07
Greenland Shark 360 - Crusing in Bredefjord
Greenland Shark 360 - Working in the wet lab on R/V Sanna
5:32
Greenland Shark 360 - Working in the wet lab on R/V Sanna
Greenland Shark 360 - Searching for longlines in icy Bredefjord
9:21
Greenland Shark 360 - Searching for longlines in icy Bredefjord
Greenland Shark 360 - Searching for longlines in icy water from the crow's nest of R/V Sanna.
7:52
Greenland Shark 360 - Searching for longlines in icy water from the crow's nest of R/V Sanna.
Greenland Shark 360 - Tagging a shark in icy water while boat driver went for a walk.
6:39
Greenland Shark 360 - Tagging a shark in icy water while boat driver went for a walk.
Greenland Shark 360 - R/V Sanna
2:00
Greenland Shark 360 - R/V Sanna
Greenland Shark 360 - Cruise Lab Meeting with a perfect view
3:12
Greenland Shark 360 - Cruise Lab Meeting with a perfect view
Greenland Shark 360 - Handling 2 sharks from the dinghy
6:18
Greenland Shark 360 - Handling 2 sharks from the dinghy
Greenland Shark 360 - Takuji listening for VHF signal from data logger.
2:37
Greenland Shark 360 - Takuji listening for VHF signal from data logger.