Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Lynn Canal & Stephens Passage

Stella – Residency

4th sighting in Lynn Canal & Stephens Passage
Fluke of Stella
Stella Confirmed in the catalog @24326
Aug 7 – Sep 29, 2025 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Aug – Sep 2025

114 m
Deepest dive
4:30
Longest dive
19
Dives
Sightings
3
Days between first and last sighting
53
Deepest dive on record
114 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 7, 2025160 m—114 m
Sep 28, 202574 m—38 m
Sep 29, 2025102 m—33 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 7, 2025 — seafloor 160 m (measured), deepest dive 114 m (modelled)Aug 7Sep 28, 2025 — seafloor 74 m (measured), deepest dive 38 m (modelled)Sep 28Sep 29, 2025 — seafloor 102 m (measured), deepest dive 33 m (modelled)Sep 29

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

Dives

114 m
Deepest dive
4:30
Longest dive
19
Dives
30 m
Avg dive depth
3
Sightings
53
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150114 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (160 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 7, 2025

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

Across the residency · 3 sightings

measured
Seafloor depth
74 m – 160 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 3 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.