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

Gambrinous – Residency

14th sighting in Chatham Strait
Fluke of Gambrinous
Gambrinous Confirmed in the catalog @6126
Jul 31 – Oct 10, 2026 · Chatham Strait

Chatham Strait, Still Feeding

Cold green water, full nets, plenty of company all late summer.

122 m
Deepest dive
5:13
Longest dive
32
Dives
Sightings
3
Days between first and last sighting
71

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 31, 202624 m12.8°C19 m
Sep 24, 2026231 m10.6°C122 m
Oct 10, 2026142 m9.6°C38 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 31, 2026 — seafloor 24 m (measured), deepest dive 19 m (modelled)Jul 31Sep 24, 2026 — seafloor 231 m (measured), deepest dive 122 m (modelled)Sep 24Oct 10, 2026 — seafloor 142 m (measured), deepest dive 38 m (modelled)Oct 10

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

Dives

122 m
Deepest dive
5:13
Longest dive
32
Dives
20 m
Avg dive depth
3
Sightings
71
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150122 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (231 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 · Sep 24, 2026

measured
Seafloor depth
231 m
Sea-surface temperature
10.6°C
Distance from shore
2.0 km

Across the residency · 3 sightings

measured
Seafloor depth
24 m – 231 m
Sea-surface temperature
9.6°C – 12.8°C
Distance from shore
1.0 km – 2.0 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 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.