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Iceland

Shadow – Residency

66th sighting in Iceland
Fluke of Shadow
Shadow Confirmed in the catalog @48254
Aug 4 – Oct 6, 2025 · Iceland

Iceland · Aug – Oct 2025

102 m
Deepest dive
4:53
Longest dive
129
Dives
Sightings
13
Days between first and last sighting
63

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 4, 202574 m11.0°C56 m
Aug 7, 202534 m11.0°C30 m
Aug 11, 202574 m10.2°C40 m
Aug 27, 2025214 m9.9°C35 m
Aug 28, 2025192 m9.8°C102 m
Sep 8, 2025101 m9.1°C34 m
Sep 16, 2025209 m8.6°C51 m
Sep 20, 202566 m8.2°C39 m
Sep 23, 202588 m7.5°C81 m
Sep 30, 2025110 m6.2°C19 m
Oct 3, 2025110 m6.5°C84 m
Oct 5, 202599 m6.1°C47 m
Oct 6, 202593 m6.1°C42 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
Aug 4, 2025 — seafloor 74 m (measured), deepest dive 56 m (modelled)Aug 4Aug 7, 2025 — seafloor 34 m (measured), deepest dive 30 m (modelled)Aug 11, 2025 — seafloor 74 m (measured), deepest dive 40 m (modelled)Aug 27, 2025 — seafloor 214 m (measured), deepest dive 35 m (modelled)Aug 27Aug 28, 2025 — seafloor 192 m (measured), deepest dive 102 m (modelled)Sep 8, 2025 — seafloor 101 m (measured), deepest dive 34 m (modelled)Sep 16, 2025 — seafloor 209 m (measured), deepest dive 51 m (modelled)Sep 16Sep 20, 2025 — seafloor 66 m (measured), deepest dive 39 m (modelled)Sep 23, 2025 — seafloor 88 m (measured), deepest dive 81 m (modelled)Sep 30, 2025 — seafloor 110 m (measured), deepest dive 19 m (modelled)Sep 30Oct 3, 2025 — seafloor 110 m (measured), deepest dive 84 m (modelled)Oct 5, 2025 — seafloor 99 m (measured), deepest dive 47 m (modelled)Oct 6, 2025 — seafloor 93 m (measured), deepest dive 42 m (modelled)Oct 6

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

Dives

102 m
Deepest dive
4:53
Longest dive
129
Dives
23 m
Avg dive depth
13
Sightings
63
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150102 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (192 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 · Aug 28, 2025

measured
Seafloor depth
192 m
Sea-surface temperature
9.8°C
Distance from shore
4.0 km

Across the residency · 13 sightings

measured
Seafloor depth
34 m – 214 m
Sea-surface temperature
6.1°C – 11.0°C
Distance from shore
1.0 km – 5.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 13 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.