Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Iceland

Chopper – Residency

23rd sighting in Iceland
Fluke of Chopper
Chopper Confirmed in the catalog @29675
May 19 – Jul 9, 2026 · Iceland

Herring Season, Steady Company

Herring ran thick, I ran with them, cameras caught the whole show.

49 m
Deepest dive
2:45
Longest dive
192
Dives
Sightings
15
Days between first and last sighting
50
Deepest dive on record
49 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 19, 202647 m8.3°C23 m
May 20, 202649 m8.4°C32 m
May 21, 202648 m8.6°C43 m
May 21, 202640 m8.3°C31 m
May 24, 202649 m8.9°C40 m
May 25, 202652 m8.7°C24 m
May 26, 202647 m8.9°C39 m
May 26, 202650 m8.7°C26 m
May 27, 202646 m8.7°C42 m
May 28, 202654 m8.5°C48 m
May 29, 202656 m8.6°C42 m
May 31, 202645 m9.2°C33 m
Jun 1, 202656 m9.8°C49 m
Jul 8, 202654 m10.4°C49 m
Jul 9, 202653 m10.4°C45 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
May 19, 2026 — seafloor 47 m (measured), deepest dive 23 m (modelled)May 19May 20, 2026 — seafloor 49 m (measured), deepest dive 32 m (modelled)May 21, 2026 — seafloor 48 m (measured), deepest dive 43 m (modelled)May 21, 2026 — seafloor 40 m (measured), deepest dive 31 m (modelled)May 21May 24, 2026 — seafloor 49 m (measured), deepest dive 40 m (modelled)May 25, 2026 — seafloor 52 m (measured), deepest dive 24 m (modelled)May 26, 2026 — seafloor 47 m (measured), deepest dive 39 m (modelled)May 26May 26, 2026 — seafloor 50 m (measured), deepest dive 26 m (modelled)May 27, 2026 — seafloor 46 m (measured), deepest dive 42 m (modelled)May 28, 2026 — seafloor 54 m (measured), deepest dive 48 m (modelled)May 28May 29, 2026 — seafloor 56 m (measured), deepest dive 42 m (modelled)May 31, 2026 — seafloor 45 m (measured), deepest dive 33 m (modelled)Jun 1, 2026 — seafloor 56 m (measured), deepest dive 49 m (modelled)Jun 1Jul 8, 2026 — seafloor 54 m (measured), deepest dive 49 m (modelled)Jul 9, 2026 — seafloor 53 m (measured), deepest dive 45 m (modelled)

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

49 m
Deepest dive
2:45
Longest dive
192
Dives
19 m
Avg dive depth
15
Sightings
50
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255049 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (56 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Jun 1, 2026

measured
Seafloor depth
56 m
Sea-surface temperature
9.8°C
Distance from shore
8.0 km

Across the residency · 15 sightings

measured
Seafloor depth
40 m – 56 m
Sea-surface temperature
8.3°C – 10.4°C
Distance from shore
6.0 km – 13.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 15 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.