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

Sherlock – Residency

5th sighting in Iceland
Fluke of Sherlock
Sherlock Confirmed in the catalog @141335
Jul 13 – Aug 11, 2025 · Iceland

Iceland · Jul – Aug 2025

64 m
Deepest dive
2:20
Longest dive
43
Dives
Sightings
4
Days between first and last sighting
29
Deepest dive on record
64 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 13, 202536 m—28 m
Aug 1, 202561 m—55 m
Aug 1, 202593 m—45 m
Aug 11, 202580 m—64 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
Jul 13, 2025 — seafloor 36 m (measured), deepest dive 28 m (modelled)Jul 13Aug 1, 2025 — seafloor 61 m (measured), deepest dive 55 m (modelled)Aug 1Aug 1, 2025 — seafloor 93 m (measured), deepest dive 45 m (modelled)Aug 1Aug 11, 2025 — seafloor 80 m (measured), deepest dive 64 m (modelled)Aug 11

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

Dives

64 m
Deepest dive
2:20
Longest dive
43
Dives
19 m
Avg dive depth
4
Sightings
29
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010064 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 · Aug 11, 2025

measured
Seafloor depth
80 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
36 m – 93 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 4 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.