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

Shadow – Residency

27th sighting in Iceland
Fluke of Shadow
Shadow Confirmed in the catalog @48254
May 1 – Jul 29, 2023 · Iceland

Iceland · May – Jul 2023

72 m
Deepest dive
3:15
Longest dive
144
Dives
Sightings
9
Days between first and last sighting
89

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 1, 202326 m6.9°C23 m
May 22, 202380 m6.2°C72 m
May 22, 202380 m6.2°C44 m
Jul 7, 202385 m9.6°C60 m
Jul 18, 202380 m9.1°C48 m
Jul 20, 202380 m9.4°C56 m
Jul 28, 202380 m8.1°C23 m
Jul 29, 202357 m8.1°C33 m
Jul 29, 202380 m8.5°C55 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 1, 2023 — seafloor 26 m (measured), deepest dive 23 m (modelled)May 1May 22, 2023 — seafloor 80 m (measured), deepest dive 72 m (modelled)May 22May 22, 2023 — seafloor 80 m (measured), deepest dive 44 m (modelled)May 22Jul 7, 2023 — seafloor 85 m (measured), deepest dive 60 m (modelled)Jul 7Jul 18, 2023 — seafloor 80 m (measured), deepest dive 48 m (modelled)Jul 18Jul 20, 2023 — seafloor 80 m (measured), deepest dive 56 m (modelled)Jul 20Jul 28, 2023 — seafloor 80 m (measured), deepest dive 23 m (modelled)Jul 28Jul 29, 2023 — seafloor 57 m (measured), deepest dive 33 m (modelled)Jul 29Jul 29, 2023 — seafloor 80 m (measured), deepest dive 55 m (modelled)Jul 29

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

Dives

72 m
Deepest dive
3:15
Longest dive
144
Dives
19 m
Avg dive depth
9
Sightings
89
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010072 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (80 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 · May 22, 2023

measured
Seafloor depth
80 m
Sea-surface temperature
6.2°C
Distance from shore
2.0 km

Across the residency · 9 sightings

measured
Seafloor depth
26 m – 85 m
Sea-surface temperature
6.2°C – 9.6°C
Distance from shore
2.0 km – 13.0 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 9 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.