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

HW-MN0200437 – Residency

7th sighting in Troms
Fluke of HW-MN0200437
HW-MN0200437 Confirmed in the catalog @109283
Nov 5 – 17, 2025 · Troms

Troms · Nov 2025

121 m
Deepest dive
4:47
Longest dive
38
Dives
Sightings
4
Days between first and last sighting
12
Deepest dive on record
121 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 5, 2025172 m—121 m
Nov 10, 2025144 m—85 m
Nov 11, 2025117 m—40 m
Nov 17, 202537 m—24 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
Nov 5, 2025 — seafloor 172 m (measured), deepest dive 121 m (modelled)Nov 5Nov 10, 2025 — seafloor 144 m (measured), deepest dive 85 m (modelled)Nov 10Nov 11, 2025 — seafloor 117 m (measured), deepest dive 40 m (modelled)Nov 11Nov 17, 2025 — seafloor 37 m (measured), deepest dive 24 m (modelled)Nov 17

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

Dives

121 m
Deepest dive
4:47
Longest dive
38
Dives
26 m
Avg dive depth
4
Sightings
12
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150121 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (172 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 · Nov 5, 2025

measured
Seafloor depth
172 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 4 sightings

measured
Seafloor depth
37 m – 172 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.