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

Cornwallis – Residency

11th sighting in Clarence Strait
Fluke of Cornwallis
Cornwallis Confirmed in the catalog @6560
Jun 6 – Nov 13, 2023 · Clarence Strait

Clarence Strait · Jun – Nov 2023

87 m
Deepest dive
4:37
Longest dive
153
Dives
Sightings
15
Days between first and last sighting
160

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 6, 202329 m10.5°C26 m
Jun 29, 2023181 m11.9°C76 m
Jun 29, 202353 m10.9°C27 m
Jul 3, 202322 m13.0°C20 m
Jul 6, 202345 m13.7°C36 m
Jul 6, 202391 m13.8°C32 m
Jul 6, 202315 m13.7°C13 m
Jul 16, 202399 m14.9°C51 m
Aug 11, 2023-27 m11.3°C—
Aug 18, 202335 m11.9°C26 m
Aug 19, 202365 m11.7°C54 m
Aug 20, 2023100 m11.4°C31 m
Aug 21, 2023139 m11.3°C69 m
Oct 31, 202397 m8.0°C73 m
Nov 13, 202398 m7.9°C87 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 6, 2023 — seafloor 29 m (measured), deepest dive 26 m (modelled)Jun 6Jun 29, 2023 — seafloor 181 m (measured), deepest dive 76 m (modelled)Jun 29, 2023 — seafloor 53 m (measured), deepest dive 27 m (modelled)Jul 3, 2023 — seafloor 22 m (measured), deepest dive 20 m (modelled)Jul 3Jul 6, 2023 — seafloor 45 m (measured), deepest dive 36 m (modelled)Jul 6, 2023 — seafloor 91 m (measured), deepest dive 32 m (modelled)Jul 6, 2023 — seafloor 15 m (measured), deepest dive 13 m (modelled)Jul 6Jul 16, 2023 — seafloor 99 m (measured), deepest dive 51 m (modelled)Aug 11, 2023 — seafloor -27 m (measured), deepest dive — (modelled)Aug 18, 2023 — seafloor 35 m (measured), deepest dive 26 m (modelled)Aug 18Aug 19, 2023 — seafloor 65 m (measured), deepest dive 54 m (modelled)Aug 20, 2023 — seafloor 100 m (measured), deepest dive 31 m (modelled)Aug 21, 2023 — seafloor 139 m (measured), deepest dive 69 m (modelled)Aug 21Oct 31, 2023 — seafloor 97 m (measured), deepest dive 73 m (modelled)Nov 13, 2023 — seafloor 98 m (measured), deepest dive 87 m (modelled)

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

Dives

87 m
Deepest dive
4:37
Longest dive
153
Dives
20 m
Avg dive depth
15
Sightings
160
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010087 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (98 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 · Nov 13, 2023

measured
Seafloor depth
98 m
Sea-surface temperature
7.9°C
Distance from shore
1.0 km

Across the residency · 15 sightings

measured
Seafloor depth
-27 m – 181 m
Sea-surface temperature
7.9°C – 14.9°C
Distance from shore
1.0 km – 3.0 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 15 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.