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

Pegasus – Residency

12th sighting in Clarence Strait
Fluke of Pegasus
Pegasus Confirmed in the catalog @15080
Jun 19 – Aug 28, 2026 · Clarence Strait

Chatham Strait, All Summer Long

Herring holding, whales gathering, my tail known here for years now.

149 m
Deepest dive
6:18
Longest dive
158
Dives
Sightings
11
Days between first and last sighting
70
Deepest dive on record
149 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 19, 202619 m10.9°C17 m
Jun 25, 202642 m12.3°C34 m
Jul 9, 2026333 m12.5°C53 m
Jul 14, 202616 m14.2°C14 m
Aug 4, 202699 m13.0°C77 m
Aug 11, 202681 m13.8°C40 m
Aug 14, 2026198 m13.5°C149 m
Aug 25, 202610 m14.6°C9 m
Aug 26, 20264 m14.0°C4 m
Aug 27, 2026104 m14.4°C43 m
Aug 28, 2026144 m14.4°C131 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 19, 2026 — seafloor 19 m (measured), deepest dive 17 m (modelled)Jun 19Jun 25, 2026 — seafloor 42 m (measured), deepest dive 34 m (modelled)Jun 25Jul 9, 2026 — seafloor 333 m (measured), deepest dive 53 m (modelled)Jul 9Jul 14, 2026 — seafloor 16 m (measured), deepest dive 14 m (modelled)Jul 14Aug 4, 2026 — seafloor 99 m (measured), deepest dive 77 m (modelled)Aug 4Aug 11, 2026 — seafloor 81 m (measured), deepest dive 40 m (modelled)Aug 11Aug 14, 2026 — seafloor 198 m (measured), deepest dive 149 m (modelled)Aug 14Aug 25, 2026 — seafloor 10 m (measured), deepest dive 9 m (modelled)Aug 25Aug 26, 2026 — seafloor 4 m (measured), deepest dive 4 m (modelled)Aug 26Aug 27, 2026 — seafloor 104 m (measured), deepest dive 43 m (modelled)Aug 27Aug 28, 2026 — seafloor 144 m (measured), deepest dive 131 m (modelled)Aug 28

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

Dives

149 m
Deepest dive
6:18
Longest dive
158
Dives
20 m
Avg dive depth
11
Sightings
70
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150149 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (198 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 14, 2026

measured
Seafloor depth
198 m
Sea-surface temperature
13.5°C
Distance from shore
2.0 km

Across the residency · 11 sightings

measured
Seafloor depth
4 m – 333 m
Sea-surface temperature
10.9°C – 14.6°C
Distance from shore
1.0 km – 2.0 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.