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Chatham Strait

Canonical – Residency

24th sighting in Chatham Strait
Fluke of Canonical
Canonical Confirmed in the catalog @5895
Apr 30 – Sep 21, 2023 · Chatham Strait

Chatham Strait · Apr – Sep 2023

140 m
Deepest dive
7:24
Longest dive
139
Dives
Sightings
11
Days between first and last sighting
144

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 30, 2023123 m5.6°C82 m
May 1, 2023240 m5.9°C140 m
Jun 8, 202374 m9.0°C66 m
Jun 9, 202354 m9.2°C23 m
Jun 21, 2023134 m9.8°C101 m
Jun 21, 2023123 m9.8°C93 m
Jun 28, 202329 m10.5°C23 m
Jul 17, 2023325 m13.5°C68 m
Jul 28, 202392 m12.9°C58 m
Jul 28, 2023100 m12.9°C64 m
Sep 21, 202349 m10.3°C41 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
Apr 30, 2023 — seafloor 123 m (measured), deepest dive 82 m (modelled)Apr 30May 1, 2023 — seafloor 240 m (measured), deepest dive 140 m (modelled)May 1Jun 8, 2023 — seafloor 74 m (measured), deepest dive 66 m (modelled)Jun 8Jun 9, 2023 — seafloor 54 m (measured), deepest dive 23 m (modelled)Jun 9Jun 21, 2023 — seafloor 134 m (measured), deepest dive 101 m (modelled)Jun 21Jun 21, 2023 — seafloor 123 m (measured), deepest dive 93 m (modelled)Jun 21Jun 28, 2023 — seafloor 29 m (measured), deepest dive 23 m (modelled)Jun 28Jul 17, 2023 — seafloor 325 m (measured), deepest dive 68 m (modelled)Jul 17Jul 28, 2023 — seafloor 92 m (measured), deepest dive 58 m (modelled)Jul 28Jul 28, 2023 — seafloor 100 m (measured), deepest dive 64 m (modelled)Jul 28Sep 21, 2023 — seafloor 49 m (measured), deepest dive 41 m (modelled)Sep 21

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

Dives

140 m
Deepest dive
7:24
Longest dive
139
Dives
26 m
Avg dive depth
11
Sightings
144
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150140 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (240 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 · May 1, 2023

measured
Seafloor depth
240 m
Sea-surface temperature
5.9°C
Distance from shore
1.0 km

Across the residency · 11 sightings

measured
Seafloor depth
29 m – 325 m
Sea-surface temperature
5.6°C – 13.5°C
Distance from shore
1.0 km – 5.0 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 11 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.