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

Zuma – Residency

14th sighting in Chatham Strait
Fluke of Zuma
Zuma Confirmed in the catalog @5513
Jun 9 – Aug 15, 2024 · Chatham Strait

Chatham Strait · Jun – Aug 2024

80 m
Deepest dive
3:52
Longest dive
45
Dives
Sightings
4
Days between first and last sighting
67

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 9, 202450 m—44 m
Jun 15, 202472 m—27 m
Aug 4, 2024138 m—80 m
Aug 15, 202492 m—65 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 9, 2024 — seafloor 50 m (measured), deepest dive 44 m (modelled)Jun 9Jun 15, 2024 — seafloor 72 m (measured), deepest dive 27 m (modelled)Jun 15Aug 4, 2024 — seafloor 138 m (measured), deepest dive 80 m (modelled)Aug 4Aug 15, 2024 — seafloor 92 m (measured), deepest dive 65 m (modelled)Aug 15

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

Dives

80 m
Deepest dive
3:52
Longest dive
45
Dives
22 m
Avg dive depth
4
Sightings
67
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010080 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (138 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 4, 2024

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

Across the residency · 4 sightings

measured
Seafloor depth
50 m – 138 m
Sea-surface temperature
—
Distance from shore
1.0 km – 5.0 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 4 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.