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

SEAK-5637 – Residency

6th sighting in Chatham Strait
Fluke of SEAK-5637
SEAK-5637 Confirmed in the catalog @73504
Aug 31 – Dec 6, 2022 · Chatham Strait

Chatham Strait · Aug – Dec 2022

102 m
Deepest dive
4:10
Longest dive
50
Dives
Sightings
5
Days between first and last sighting
97

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 31, 2022121 m—102 m
Sep 16, 2022101 m—58 m
Dec 6, 2022-401 m——
Dec 6, 2022121 m—89 m
Dec 6, 202293 m—44 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 31, 2022 — seafloor 121 m (measured), deepest dive 102 m (modelled)Aug 31Sep 16, 2022 — seafloor 101 m (measured), deepest dive 58 m (modelled)Sep 16Dec 6, 2022 — seafloor -401 m (measured), deepest dive — (modelled)Dec 6Dec 6, 2022 — seafloor 121 m (measured), deepest dive 89 m (modelled)Dec 6Dec 6, 2022 — seafloor 93 m (measured), deepest dive 44 m (modelled)Dec 6

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

Dives

102 m
Deepest dive
4:10
Longest dive
50
Dives
26 m
Avg dive depth
5
Sightings
97
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150102 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (121 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 31, 2022

measured
Seafloor depth
121 m
Sea-surface temperature
—
Distance from shore
—

Across the residency · 5 sightings

measured
Seafloor depth
-401 m – 121 m
Sea-surface temperature
—
Distance from shore
1.0 km – 3.0 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 5 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.