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

SEAK-5360 – Residency

12th sighting in Chatham Strait
Fluke of SEAK-5360
SEAK-5360 Confirmed in the catalog @25024
May 6 – Jul 29, 2023 · Chatham Strait

Chatham Strait · May – Jul 2023

107 m
Deepest dive
3:06
Longest dive
31
Dives
Sightings
4
Days between first and last sighting
84
Deepest dive on record
107 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 6, 2023111 m—43 m
Jul 20, 2023325 m—107 m
Jul 21, 202398 m—54 m
Jul 29, 202396 m—46 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
May 6, 2023 — seafloor 111 m (measured), deepest dive 43 m (modelled)May 6Jul 20, 2023 — seafloor 325 m (measured), deepest dive 107 m (modelled)Jul 20Jul 21, 2023 — seafloor 98 m (measured), deepest dive 54 m (modelled)Jul 21Jul 29, 2023 — seafloor 96 m (measured), deepest dive 46 m (modelled)Jul 29

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

Dives

107 m
Deepest dive
3:06
Longest dive
31
Dives
28 m
Avg dive depth
4
Sightings
84
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150107 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (325 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 · Jul 20, 2023

measured
Seafloor depth
325 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 4 sightings

measured
Seafloor depth
96 m – 325 m
Sea-surface temperature
—
Distance from shore
2.0 km – 7.0 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.