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

SEAK-2391 – Residency

20th sighting in Chatham Strait
Fluke of SEAK-2391
SEAK-2391 Confirmed in the catalog @18285
Jun 16 – Aug 20, 2021 · Chatham Strait

Chatham Strait · Jun – Aug 2021

88 m
Deepest dive
3:24
Longest dive
110
Dives
Sightings
9
Days between first and last sighting
66

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 16, 2021140 m10.5°C66 m
Jun 17, 2021140 m10.6°C88 m
Jul 28, 202146 m13.2°C42 m
Jul 29, 202196 m12.8°C41 m
Aug 5, 2021138 m14.1°C84 m
Aug 5, 202188 m13.6°C65 m
Aug 14, 202165 m10.0°C38 m
Aug 14, 2021204 m10.1°C73 m
Aug 20, 2021111 m13.8°C45 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 16, 2021 — seafloor 140 m (measured), deepest dive 66 m (modelled)Jun 16Jun 17, 2021 — seafloor 140 m (measured), deepest dive 88 m (modelled)Jun 17Jul 28, 2021 — seafloor 46 m (measured), deepest dive 42 m (modelled)Jul 28Jul 29, 2021 — seafloor 96 m (measured), deepest dive 41 m (modelled)Jul 29Aug 5, 2021 — seafloor 138 m (measured), deepest dive 84 m (modelled)Aug 5Aug 5, 2021 — seafloor 88 m (measured), deepest dive 65 m (modelled)Aug 5Aug 14, 2021 — seafloor 65 m (measured), deepest dive 38 m (modelled)Aug 14Aug 14, 2021 — seafloor 204 m (measured), deepest dive 73 m (modelled)Aug 14Aug 20, 2021 — seafloor 111 m (measured), deepest dive 45 m (modelled)Aug 20

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

Dives

88 m
Deepest dive
3:24
Longest dive
110
Dives
26 m
Avg dive depth
9
Sightings
66
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010088 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (140 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 17, 2021

measured
Seafloor depth
140 m
Sea-surface temperature
10.6°C
Distance from shore
6.0 km

Across the residency · 9 sightings

measured
Seafloor depth
46 m – 204 m
Sea-surface temperature
10.0°C – 14.1°C
Distance from shore
1.0 km – 8.0 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 9 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.