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

Frisbee – Residency

16th sighting in Chatham Strait
Fluke of Frisbee
Frisbee Confirmed in the catalog @24664
Jun 26 – Sep 14, 2025 · Chatham Strait

Chatham Strait · Jun – Sep 2025

44 m
Deepest dive
2:38
Longest dive
93
Dives
Sightings
7
Days between first and last sighting
80

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 26, 202526 m10.9°C18 m
Jul 17, 20254 m12.0°C3 m
Jul 21, 202515 m12.9°C10 m
Jul 25, 202547 m12.7°C42 m
Aug 21, 202587 m13.5°C40 m
Sep 12, 202527 m12.8°C24 m
Sep 14, 202561 m12.7°C44 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 26, 2025 — seafloor 26 m (measured), deepest dive 18 m (modelled)Jun 26Jul 17, 2025 — seafloor 4 m (measured), deepest dive 3 m (modelled)Jul 17Jul 21, 2025 — seafloor 15 m (measured), deepest dive 10 m (modelled)Jul 21Jul 25, 2025 — seafloor 47 m (measured), deepest dive 42 m (modelled)Jul 25Aug 21, 2025 — seafloor 87 m (measured), deepest dive 40 m (modelled)Aug 21Sep 12, 2025 — seafloor 27 m (measured), deepest dive 24 m (modelled)Sep 12Sep 14, 2025 — seafloor 61 m (measured), deepest dive 44 m (modelled)Sep 14

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

Dives

44 m
Deepest dive
2:38
Longest dive
93
Dives
12 m
Avg dive depth
7
Sightings
80
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255044 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (61 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 · Sep 14, 2025

measured
Seafloor depth
61 m
Sea-surface temperature
12.7°C
Distance from shore
—

Across the residency · 7 sightings

measured
Seafloor depth
4 m – 87 m
Sea-surface temperature
10.9°C – 13.5°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 7 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.