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

Vancouver – Residency

18th sighting in Clarence Strait
Fluke of Vancouver
Vancouver Confirmed in the catalog @14874
Jun 12 – Aug 23, 2025 · Clarence Strait

Clarence Strait · Jun – Aug 2025

58 m
Deepest dive
2:30
Longest dive
73
Dives
Sightings
4
Days between first and last sighting
72

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 12, 202540 m—32 m
Jun 13, 202575 m—58 m
Aug 21, 202527 m—22 m
Aug 23, 202558 m—53 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
Jun 12, 2025 — seafloor 40 m (measured), deepest dive 32 m (modelled)Jun 12Jun 13, 2025 — seafloor 75 m (measured), deepest dive 58 m (modelled)Jun 13Aug 21, 2025 — seafloor 27 m (measured), deepest dive 22 m (modelled)Aug 21Aug 23, 2025 — seafloor 58 m (measured), deepest dive 53 m (modelled)Aug 23

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

Dives

58 m
Deepest dive
2:30
Longest dive
73
Dives
18 m
Avg dive depth
4
Sightings
72
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (75 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 · Jun 13, 2025

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

Across the residency · 4 sightings

measured
Seafloor depth
27 m – 75 m
Sea-surface temperature
—
Distance from shore
1.0 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.