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

Peltegial – Residency

11th sighting in Chatham Strait
Fluke of Peltegial
Peltegial Confirmed in the catalog @7609
May 8 – Oct 7, 2025 · Chatham Strait

Chatham Strait · May – Oct 2025

139 m
Deepest dive
4:36
Longest dive
78
Dives
Sightings
8
Days between first and last sighting
152

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 8, 202590 m—78 m
Jun 23, 202568 m—27 m
Aug 15, 202535 m—23 m
Aug 16, 2025355 m—76 m
Aug 26, 202536 m—30 m
Sep 28, 202594 m—32 m
Sep 29, 202591 m—70 m
Oct 7, 2025183 m—139 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 8, 2025 — seafloor 90 m (measured), deepest dive 78 m (modelled)May 8Jun 23, 2025 — seafloor 68 m (measured), deepest dive 27 m (modelled)Jun 23Aug 15, 2025 — seafloor 35 m (measured), deepest dive 23 m (modelled)Aug 15Aug 16, 2025 — seafloor 355 m (measured), deepest dive 76 m (modelled)Aug 16Aug 26, 2025 — seafloor 36 m (measured), deepest dive 30 m (modelled)Aug 26Sep 28, 2025 — seafloor 94 m (measured), deepest dive 32 m (modelled)Sep 28Sep 29, 2025 — seafloor 91 m (measured), deepest dive 70 m (modelled)Sep 29Oct 7, 2025 — seafloor 183 m (measured), deepest dive 139 m (modelled)Oct 7

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

Dives

139 m
Deepest dive
4:36
Longest dive
78
Dives
22 m
Avg dive depth
8
Sightings
152
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150139 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (183 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 · Oct 7, 2025

measured
Seafloor depth
183 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 8 sightings

measured
Seafloor depth
35 m – 355 m
Sea-surface temperature
—
Distance from shore
1.0 km – 8.0 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 8 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.