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

Kamau – Residency

5th sighting in Chatham Strait
Fluke of Kamau
Kamau Confirmed in the catalog @15188
Jun 23 – Jul 10, 2025 · Chatham Strait

Chatham Strait · Jun – Jul 2025

201 m
Deepest dive
6:46
Longest dive
56
Dives
Sightings
3
Days between first and last sighting
17
Deepest dive on record
201 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 23, 202529 m—22 m
Jul 9, 202562 m—39 m
Jul 10, 2025282 m—201 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 23, 2025 — seafloor 29 m (measured), deepest dive 22 m (modelled)Jun 23Jul 9, 2025 — seafloor 62 m (measured), deepest dive 39 m (modelled)Jul 9Jul 10, 2025 — seafloor 282 m (measured), deepest dive 201 m (modelled)Jul 10

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

Dives

201 m
Deepest dive
6:46
Longest dive
56
Dives
23 m
Avg dive depth
3
Sightings
17
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0125250201 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (282 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 · Jul 10, 2025

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

Across the residency · 3 sightings

measured
Seafloor depth
29 m – 282 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 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 3 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.